Synonyms: Ondansetron, 1,2,3,9-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-4H-carbazol-4-one, 1,2,3,4-Tetrahydro-9-methyl-3-[(2-methyl-1H-imidazol-1-yl)methyl]-9H-carbazol-4-one, GR 38032, GR 38032X, Ondanles, Setron, Yatrox, Zofran, Zophren, Zudan
