122852-42-0 1H-Pyrido(4,3-b)indol-1-one, 2,3,4,5-tetrahydro-5-methyl-2-((5-methyl-1H-imidazol-4-yl)methyl)- 2,3,4,5-Tetrahydro-5-methyl-2-((5-methyl-1H-imidazol-4-yl)methyl)-1H-pyrido(4,3-b)indol-1-one Alosetron GR 68755 Lotronex