(2R)-3-(2-aminomethyl-2,3-dihydro-1H-3a-azacyclopenta(a)inden-8-yl)-4-phenylaminopyrrole-2,5-dione monomethanesulphonate
(2r)-3-(2-aminomethyl-2,3-dihydro-1h-3a-azacyclopenta(a)inden-8-yl)-4-phenylaminopyrrole-2,5-dione monomethanesulphonate