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IUPAC Name: 2-[(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-17-yl]prop-2-enal
Synonyms: 2257421-80-8, 9EJ5544HCH, Pregna-4,20-diene-20-carboxaldehyde, 3-oxo-, 20-Methylidene-3-oxopregn-4-en-21-al, Progesterone Impurity L;, UNII-9EJ5544HCH, Progesterone impurity L [EP], L-20-Methylene-pregn-4-ene-3,2,1-dione, PROGESTERONE IMPURITY L [EP IMPURITY]

Molecular Formula:	C₂₂H₃₀O₂	Molecular Weight:	326.500 [g/mol]
H-Bond Donor:	0	H-Bond Acceptor:	2

InChIKey: JJEGUVZRFNHEHU-GFJXEVPCSA-N