Tiotropium bromide hydrate
Synonyms: (1a,2b,4b,5a,7b)-7-[(hydroxydi-2-thienylacety l)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.02,4]nonane bromide

hydrate
Molecular Formula: C19H22BrNO4S2.H2O
Molecular Weight: 490.43
CAS Registry Number: 139404-48-1