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IUPAC Name: [(1S,2S,4S,5R)-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonan-7-yl] 2-hydroxy-2,2-dithiophen-2-ylacetate;bromide | CAS Registry Number: 136521-48-7
Synonyms: Tiotropium EP Impurity I, SCHEMBL15005742, (1R,2R,4S,5S,7r)-7-[(2-hydroxy-2,2-dithiophen-2ylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonanebromide

Molecular Formula:	C₁₉H₂₂BrNO₄S₂	Molecular Weight:	472.400 [g/mol]
H-Bond Donor:	1	H-Bond Acceptor:	7

InChIKey: DQHNAVOVODVIMG-DHTGCHNQSA-M