Synonyms : GR-38032F, GR38032F, Ondansetron Hydrochloride, Ondansetron Monohydrochloride, Ondansetron Monohydrochloride Dihydrate, Ondansetron, (+, -)-Isomer, Ondansetron, (R)-Isomer, Ondansetron, (S)-Isomer, SN-307, Zofran, Dihydrate, Ondansetron Monohydrochloride, SN 307