2-Azabicyclo[3.1.0]hexane-3-carboxamide, (1S,3S,5S)-, methanesulfonate (1:1)709031-45-8100 % similar Methanesulfonic acid75-75-235 % similar Safinamide mesylate202825-46-532 % similar (2R)-2-Pyrrolidinecarboxamide62937-45-530 % similar L-Prolinamide7531-52-430 % similar