1-Pyrrolidinyl(4,5,6,7-tetrahydro-1H-benzimidazol-6-yl)methanone hydrochloride132036-42-1100 % similar Ramosetron hydrochloride132907-72-346 % similar (Hexahydro-1H-azepin-1-yl)-3-piperidinylmethanone690632-28-133 % similar