143486-90-2 1H-Pyrido(4,3-b)indol-1-one, 6-fluoro-2,3,4,5-tetrahydro-5-methyl-2-((5-methyl-1H-imidazol-4-yl)methyl)-, monomethanesulfonate; Lurosetron mesylate Lurosetron mesylate [USAN]