FURAN, 4-AZIDO-2-ETHYNYLTETRAHYDRO-3-(PHENYLMETHOXY)-, (2R,3R,4R)-,FURAN, 4-AZIDO-2-ETHYNYLTETRAHYDRO-3-(PHENYLMETHOXY)-, (2S,3S,4S)- Suppliers & Manufacturers

CHEMICAL products beginning with : F

20301 to 20350 of 22940 results Page:

400 401 402 403 404 405 406 [407] 408 409 410 411 412 413 414 415 416 417 418 419 420

PRODUCT NAME

CAS Registry Number

FURAN, 4-AZIDO-2-ETHYNYLTETRAHYDRO-3-(PHENYLMETHOXY)-, (2R,3R,4R)- (1 supplier)

IUPAC Name: (2R,3R,4R)-4-azido-2-ethynyl-3-phenylmethoxyoxolane | CAS Registry Number: 923287-06-3
Synonyms: CTK3F9198, Furan, 4-azido-2-ethynyltetrahydro-3-(phenylmethoxy)-, (2R,3R,4R)-

Molecular Formula:	C₁₃H₁₃N₃O₂	Molecular Weight:	243.261220 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: ZGBANCILBGDSLP-JHJVBQTASA-N

923287-06-3

FURAN, 4-AZIDO-2-ETHYNYLTETRAHYDRO-3-(PHENYLMETHOXY)-, (2S,3S,4S)- (0 suppliers)

IUPAC Name: (2S,3S,4S)-4-azido-2-ethynyl-3-phenylmethoxyoxolane | CAS Registry Number: 923287-04-1
Synonyms: CTK3F9199, Furan, 4-azido-2-ethynyltetrahydro-3-(phenylmethoxy)-, (2S,3S,4S)-

Molecular Formula:	C₁₃H₁₃N₃O₂	Molecular Weight:	243.261220 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	4

InChIKey: ZGBANCILBGDSLP-AVGNSLFASA-N

923287-04-1

Furan, 4-azidotetrahydro-2-(1Z)-1-penten-1-yl-3-(phenylmethoxy)-,(2S,3S,4S)- (0 suppliers)

920300-80-7

Furan, 4-azidotetrahydro-3-(phenylmethoxy)-2-(1-tetradecyn-1-yl)-,(2R,3R,4R)- (0 suppliers)

923287-18-7

Furan, 4-azidotetrahydro-3-(phenylmethoxy)-2-(1-tetradecyn-1-yl)-,(2S,3S,4S)- (0 suppliers)

923287-16-5

Furan, 4-azidotetrahydro-3-(phenylmethoxy)-2-(1Z)-1-tetradecenyl-,(2S,3S,4S)- (0 suppliers)

876917-13-4

Furan, 4-ethenylidenetetrahydro-3-methyl-3-nitro-2-pentyl-, (2R,3S)-rel- (0 suppliers)

192314-17-3

Furan, 4-ethenylidenetetrahydro-3-methyl-3-nitro-2-phenyl-, (2R,3S)-rel- (0 suppliers)

192314-18-4

FURAN, 4-ETHYL-2-HEPTYL-2,5-DIHYDRO- (1 supplier)

IUPAC Name: 4-ethyl-2-heptyl-2,5-dihydrofuran | CAS Registry Number: 920299-41-8
Synonyms: CTK3G3113, Furan, 4-ethyl-2-heptyl-2,5-dihydro-

Molecular Formula:	C₁₃H₂₄O	Molecular Weight:	196.329060 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: URLKGCUSHAWTSK-UHFFFAOYSA-N

920299-41-8

Furan, 4-methyl-2,3-diphenyl- (1 supplier)

IUPAC Name: 4-methyl-2,3-diphenylfuran | CAS Registry Number: 35732-79-7
Synonyms: CTK1B6737

Molecular Formula:	C₁₇H₁₄O	Molecular Weight:	234.292460 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: YUNILZLMKGRGDX-UHFFFAOYSA-N

35732-79-7

Furan, 4-methyl-2-(2-methyl-6-methylene-2,7-octadienyl)-, (E)- (0 suppliers)

93590-09-1

Furan, 4-methyl-2-(2-methylpropyl)- (1 supplier)

IUPAC Name: 4-methyl-2-(2-methylpropyl)furan | CAS Registry Number: 126861-09-4
Synonyms: ACMC-20ms7p, 2-isobutyl-4-methylfuran, SureCN4884619, CTK0C2039, 4-methyl-2-(2-methyl-propyl)-furan, AKOS015905985, I14-22447

Molecular Formula:	C₉H₁₄O	Molecular Weight:	138.206860 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: OQMOSIGMGVLRHL-UHFFFAOYSA-N

126861-09-4

Furan, 4-methyl-2-(3-methyl-2-butenyl)- (0 suppliers)

IUPAC Name: 4-methyl-2-(3-methylbut-2-enyl)furan | CAS Registry Number: 66641-51-8
Synonyms: CTK1J4499

Molecular Formula:	C₁₀H₁₄O	Molecular Weight:	150.217560 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: MFSVECXXOVANJX-UHFFFAOYSA-N

66641-51-8

Furan, 4-methyl-2-(methylthio)- (0 suppliers)

IUPAC Name: 4-methyl-2-methylsulfanylfuran | CAS Registry Number: 84735-62-6
Synonyms: CTK2I5326, InChI=1/C6H8OS/c1-5-3-6(8-2)7-4-5/h3-4H,1-2H

Molecular Formula:	C₆H₈OS	Molecular Weight:	128.192120 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: BGBVIHNEUQGKRK-UHFFFAOYSA-N

84735-62-6

Furan, 4-methyl-2-pentyl- (1 supplier)

IUPAC Name: 4-methyl-2-pentylfuran | CAS Registry Number: 51080-20-7
Synonyms: AGN-PC-00KIU8, SureCN3923663, CTK1E5375

Molecular Formula:	C₁₀H₁₆O	Molecular Weight:	152.233440 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: FLAGMKZZJLBGLW-UHFFFAOYSA-N

51080-20-7

Furan, 5-(1-bromo-1-methylethyl)-2-ethynyltetrahydro-2-methyl- (0 suppliers)

IUPAC Name: 5-(2-bromopropan-2-yl)-2-ethynyl-2-methyloxolane | CAS Registry Number: 62055-36-1
Synonyms: AGN-PC-001TD5, CTK2C8075

Molecular Formula:	C₁₀H₁₅BrO	Molecular Weight:	231.129500 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: HYAYZCJYZHFRAL-UHFFFAOYSA-N

62055-36-1

Furan, 5-(1-bromo-1-methylethyl)tetrahydro-2,2-dimethyl- (1 supplier)

IUPAC Name: 5-(2-bromopropan-2-yl)-2,2-dimethyloxolane | CAS Registry Number: 71306-02-0
Synonyms: AGN-PC-00KLF2, CTK2G2662

Molecular Formula:	C₉H₁₇BrO	Molecular Weight:	221.134680 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: XNZBVPJFZGBPQM-UHFFFAOYSA-N

71306-02-0

Furan, 5-(3-methoxyphenyl)-2,3-diphenyl- (1 supplier)

IUPAC Name: 5-(3-methoxyphenyl)-2,3-diphenylfuran | CAS Registry Number: 88406-99-9
Synonyms: ACMC-20l9b4, CTK3B2241

Molecular Formula:	C₂₃H₁₈O₂	Molecular Weight:	326.387820 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: MMPWYLRTQXQNAG-UHFFFAOYSA-N

88406-99-9

Furan, 5-(4-bromophenyl)-2,3-bis(4-methylphenyl)- (1 supplier)

IUPAC Name: 5-(4-bromophenyl)-2,3-bis(4-methylphenyl)furan | CAS Registry Number: 88407-00-5
Synonyms: ACMC-20l9b5, CTK3B2240

Molecular Formula:	C₂₄H₁₉BrO	Molecular Weight:	403.311060 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: UXNPORCYTBAHMV-UHFFFAOYSA-N

88407-00-5

Furan, 5-(4-bromophenyl)-2,3-diphenyl- (1 supplier)

IUPAC Name: 5-(4-bromophenyl)-2,3-diphenylfuran | CAS Registry Number: 68630-12-6
Synonyms: 5-(4-bromophenyl)-2,3-diphenylfuran, ZINC03119660, AC1MBXZJ, CTK1J1890, MolPort-002-918-919, S14399

Molecular Formula:	C₂₂H₁₅BrO	Molecular Weight:	375.257900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: AUBRDFMEEDJCGD-UHFFFAOYSA-N

68630-12-6

FURAN, 5-(4-BROMOPHENYL)-2-FLUORO-3-(TRIFLUOROMETHYL)- (1 supplier)

IUPAC Name: 5-(4-bromophenyl)-2-fluoro-3-(trifluoromethyl)furan | CAS Registry Number: 391683-57-1
Synonyms: CTK1B4221, Furan, 5-(4-bromophenyl)-2-fluoro-3-(trifluoromethyl)-

Molecular Formula:	C₁₁H₅BrF₄O	Molecular Weight:	309.054413 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	5

InChIKey: OYOURJKUWUWGQQ-UHFFFAOYSA-N

391683-57-1

Furan, 5-(4-methoxyphenyl)-2,3-diphenyl- (1 supplier)

IUPAC Name: 5-(4-methoxyphenyl)-2,3-diphenylfuran | CAS Registry Number: 68630-11-5
Synonyms: 5-(4-methoxyphenyl)-2,3-diphenylfuran, ZINC03119661, AC1MBXZY, CTK1J1891, MolPort-002-918-925, S14418

Molecular Formula:	C₂₃H₁₈O₂	Molecular Weight:	326.387820 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: GKDGDMFKEAMOEI-UHFFFAOYSA-N

68630-11-5

Furan, 5-(4-methylphenyl)-2,3-diphenyl- (1 supplier)

IUPAC Name: 5-(4-methylphenyl)-2,3-diphenylfuran | CAS Registry Number: 68630-10-4
Synonyms: CTK1J1892

Molecular Formula:	C₂₃H₁₈O	Molecular Weight:	310.388420 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: YSRLHVCTGOGNDU-UHFFFAOYSA-N

68630-10-4

Furan, 5-(5-hexenyl)-2,3-dihydro- (1 supplier)

IUPAC Name: 5-hex-5-enyl-2,3-dihydrofuran | CAS Registry Number: 111833-32-0
Synonyms: ACMC-20mevh, AGN-PC-00NV6F, CTK0D3397

Molecular Formula:	C₁₀H₁₆O	Molecular Weight:	152.233440 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: ICLXAQUDLOXCTE-UHFFFAOYSA-N

111833-32-0

FURAN, 5-(DIMETHYLPHENYLSILYL)-2,3-DIPHENYL- (1 supplier)

IUPAC Name: (4,5-diphenylfuran-2-yl)-dimethyl-phenylsilane | CAS Registry Number: 918129-14-3
Synonyms: CTK3H8648, Furan, 5-(dimethylphenylsilyl)-2,3-diphenyl-

Molecular Formula:	C₂₄H₂₂OSi	Molecular Weight:	354.516380 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: KPAOUDYLDFGSLW-UHFFFAOYSA-N

918129-14-3

FURAN, 5-(DIMETHYLPHENYLSILYL)-2-PENTYL-3-PHENYL- (0 suppliers)

918129-11-0

FURAN, 5-(DIMETHYLPHENYLSILYL)-3-(1-METHYLETHYL)-2-PENTYL- (1 supplier)

IUPAC Name: dimethyl-(5-pentyl-4-propan-2-ylfuran-2-yl)-phenylsilane | CAS Registry Number: 918129-12-1
Synonyms: CTK3H8650, Furan, 5-(dimethylphenylsilyl)-3-(1-methylethyl)-2-pentyl-

Molecular Formula:	C₂₀H₃₀OSi	Molecular Weight:	314.537100 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: ZDUCDJYTZMGKCG-UHFFFAOYSA-N

918129-12-1

FURAN, 5-(DIMETHYLPHENYLSILYL)-3-(1-METHYLETHYL)-2-PHENYL- (1 supplier)

IUPAC Name: dimethyl-phenyl-(5-phenyl-4-propan-2-ylfuran-2-yl)silane | CAS Registry Number: 918129-15-4
Synonyms: CTK3H8647, Furan, 5-(dimethylphenylsilyl)-3-(1-methylethyl)-2-phenyl-

Molecular Formula:	C₂₁H₂₄OSi	Molecular Weight:	320.500160 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: ZZIOHLYJBNFAGR-UHFFFAOYSA-N

918129-15-4

Furan, 5-[(1R)-1-[1,1'-biphenyl]-4-ylethyl]tetrahydro-2,2-dimethyl-,(5S)-rel- (0 suppliers)

670229-24-0

FURAN, 5-CYCLOBUTYL-2,3-DIHYDRO- (2 suppliers)

IUPAC Name: 5-cyclobutyl-2,3-dihydrofuran | CAS Registry Number: 923277-47-8
Synonyms: CTK3H0200, Furan, 5-cyclobutyl-2,3-dihydro-

Molecular Formula:	C₈H₁₂O	Molecular Weight:	124.180280 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: QHOCAOFCHVFIHX-UHFFFAOYSA-N

923277-47-8

Furan, 5-cyclopropyl-2,3-dihydro- (1 supplier)

IUPAC Name: 5-cyclopropyl-2,3-dihydrofuran | CAS Registry Number: 67219-43-6
Synonyms: CTK1J3767

Molecular Formula:	C₇H₁₀O	Molecular Weight:	110.153700 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: BZKKXGPPRKERAG-UHFFFAOYSA-N

67219-43-6

Furan, 5-ethyl-2,3-dihydro- (1 supplier)

IUPAC Name: 5-ethyl-2,3-dihydrofuran | CAS Registry Number: 38614-09-4
Synonyms: 5-ethyl-2,3-dihydrofuran, AC1LAUV6, SureCN2760184, 2-ethyl-4,5-dihydro-furan, CTK1A8818

Molecular Formula:	C₆H₁₀O	Molecular Weight:	98.143000 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: CPMMVQJCVZTIRV-UHFFFAOYSA-N

38614-09-4

Furan, 5-heptyl-3-methyl-2-phenyl- (1 supplier)

IUPAC Name: 5-heptyl-3-methyl-2-phenylfuran | CAS Registry Number: 89932-21-8
Synonyms: ACMC-20ls1j, AGN-PC-00L87M, CTK2I8428

Molecular Formula:	C₁₈H₂₄O	Molecular Weight:	256.382560 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: ZWPGTZQHVDBTTB-UHFFFAOYSA-N

89932-21-8

Furan, 5-hexyl-2,3-dimethyl- (1 supplier)

IUPAC Name: 5-hexyl-2,3-dimethylfuran | CAS Registry Number: 89932-16-1
Synonyms: ACMC-20ls1e, AGN-PC-00KY9Z, CTK2I8433

Molecular Formula:	C₁₂H₂₀O	Molecular Weight:	180.286600 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: LFJNFISKJJMLRT-UHFFFAOYSA-N

89932-16-1

Furan, 5-hexyl-2-methyl-3-(methylthio)- (1 supplier)

IUPAC Name: 5-hexyl-2-methyl-3-methylsulfanylfuran | CAS Registry Number: 88319-96-4
Synonyms: AGN-PC-00KP5J, CTK3B3960, AKOS015905404, 5-hexyl-2-methyl-3-methylsulfanylfuran, 5-hexyl-2-methyl-3-(methylsulfanyl)furan, I14-22336

Molecular Formula:	C₁₂H₂₀OS	Molecular Weight:	212.351600 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: QNTOGKYBKXEBGF-UHFFFAOYSA-N

88319-96-4

Furan, 5-hexyl-3-methyl-2-phenyl- (1 supplier)

IUPAC Name: 5-hexyl-3-methyl-2-phenylfuran | CAS Registry Number: 89932-18-3
Synonyms: ACMC-20ls1g, AGN-PC-00L87J, CTK2I8431

Molecular Formula:	C₁₇H₂₂O	Molecular Weight:	242.355980 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: CRHLPPCBRVHIBK-UHFFFAOYSA-N

89932-18-3

Furan, 5-methyl-2-(2-thienyl)-3-(3-thienyl)- (1 supplier)

IUPAC Name: 5-methyl-2-thiophen-2-yl-3-thiophen-3-ylfuran | CAS Registry Number: 89814-61-9
Synonyms: ACMC-20lqsq, AGN-PC-00L5EH, CTK2I9965

Molecular Formula:	C₁₃H₁₀OS₂	Molecular Weight:	246.347900 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: PVFLMLPBCSDDKA-UHFFFAOYSA-N

89814-61-9

Furan, 5-methyl-2-phenyl-3-(phenylsulfonyl)- (1 supplier)

IUPAC Name: 3-(benzenesulfonyl)-5-methyl-2-phenylfuran | CAS Registry Number: 132268-96-3
Synonyms: ACMC-20mufm, AGN-PC-002JAV, CTK0F5135

Molecular Formula:	C₁₇H₁₄O₃S	Molecular Weight:	298.356260 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: QYSAVYXPXGYHNP-UHFFFAOYSA-N

132268-96-3

Furan, 5-methyl-3-[(4-methylphenyl)sulfonyl]-2-phenyl- (1 supplier)

IUPAC Name: 5-methyl-3-(4-methylphenyl)sulfonyl-2-phenylfuran | CAS Registry Number: 115563-21-8
Synonyms: ACMC-20mld4, AGN-PC-000OAB, CTK0G0696

Molecular Formula:	C₁₈H₁₆O₃S	Molecular Weight:	312.382840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	3

InChIKey: PSVJVMVWSHVEAQ-UHFFFAOYSA-N

115563-21-8

Furan, butyl- (0 suppliers)

64079-00-1

Furan, butyltetrahydro- (0 suppliers)

84631-26-5

Furan, dihydro- (1 supplier)

IUPAC Name: 2,3-dihydrofuran | CAS Registry Number: 36312-17-1
Synonyms: 2,3-Dihydrofuran, 1191-99-7, Furan, 2,3-dihydro-, 4,5-Dihydrofuran, dihydrofuran, dihydrofurane, Furan,3-dihydro-, ZINC01752336, PubChem12854, ACMC-1BREI, SureCN16851, AC1L2F6S, AC1Q6Z9J, KSC225Q6T, 200018_ALDRICH, CHEBI:51662, CTK1C5869, 2,3-DHF, MolPort-001-787-279, BB_SC-6597

Molecular Formula:	C₄H₆O	Molecular Weight:	70.089840 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: JKTCBAGSMQIFNL-UHFFFAOYSA-N

36312-17-1

Furan, dihydromethyl- (1 supplier)

IUPAC Name: 2-methyl-2,3-dihydrofuran | CAS Registry Number: 95461-55-5
Synonyms: ACMC-20lzui, AGN-PC-0CICBF, SureCN33269, CTK3G8861

Molecular Formula:	C₅H₈O	Molecular Weight:	84.116420 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: WRWGLRHYWHYHJG-UHFFFAOYSA-N

95461-55-5

Furan, diphenyl- (1 supplier)

IUPAC Name: 2,3-diphenylfuran | CAS Registry Number: 26569-47-1
Synonyms: 2,3-diphenylfuran, 2,3-diphenyl-furan, Furan, 2,3-diphenyl-, SureCN887941, AGN-PC-00B8UL, CTK0I6028, AKOS015906331, I14-22101

Molecular Formula:	C₁₆H₁₂O	Molecular Weight:	220.265880 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: XQFYGXFPKONEPY-UHFFFAOYSA-N

26569-47-1

Furan, dithiobis[2-methyl- (0 suppliers)

97197-82-5

Furan, ethyl- (0 suppliers)

IUPAC Name: 2-ethylfuran | CAS Registry Number: 27252-25-1
Synonyms: 2-Ethylfuran, Furan, 2-ethyl-, 3208-16-0, alpha-Ethylfuran, 2-Ethyloxole, CCRIS 4387, Furan, .alpha.-ethyl-, FEMA No. 3673, EINECS 221-714-0, ACMC-1ADVN, 2-ETHYL FURAN, SureCN61113, AC1L2CB0, UNII-T8O6J71T9O, KSC178K2D, W367303_ALDRICH, 186988_ALDRICH, Jsp005947, MolPort-001-769-736, ACN-S003344

Molecular Formula:	C₆H₈O	Molecular Weight:	96.127120 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: HLPIHRDZBHXTFJ-UHFFFAOYSA-N

27252-25-1

Furan, ethyldimethyl- (1 supplier)

IUPAC Name: 4-ethyl-2,3-dimethylfuran | CAS Registry Number: 90024-12-7
Synonyms: CTK3I5371

Molecular Formula:	C₈H₁₂O	Molecular Weight:	124.180280 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: STAMMQDNNIMMED-UHFFFAOYSA-N

90024-12-7

Furan, heptyl- (0 suppliers)

61215-78-9

Furan, heptylmethyl- (1 supplier)

IUPAC Name: 3-heptyl-2-methylfuran | CAS Registry Number: 61215-80-3
Synonyms: CTK2E4548

Molecular Formula:	C₁₂H₂₀O	Molecular Weight:	180.286600 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: HMXDBNPBTYJRDR-UHFFFAOYSA-N

61215-80-3

Furan, hexenyl- (1 supplier)

IUPAC Name: 2-hex-1-enylfuran | CAS Registry Number: 96344-65-9
Synonyms: ACMC-20m0uc, CTK3F2723

Molecular Formula:	C₁₀H₁₄O	Molecular Weight:	150.217560 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	1

InChIKey: GXRVRJGDKJNXDE-UHFFFAOYSA-N

96344-65-9

20301 to 20350 of 22940 results Page:

400 401 402 403 404 405 406 [407] 408 409 410 411 412 413 414 415 416 417 418 419 420