Synonyms: 5-Hexenoicacid,6-[(2S,4R)-4-[[(4-chlorophenyl)sulfonyl]amino]-1-(3-pyridinylmethyl)-2-pyrrolidinyl]-,monohydrochloride, (5Z)- (9CI); 5-Hexenoic acid,6-[4-[[(4-chlorophenyl)sulfonyl]amino]-1-(3-pyridinylmethyl)-2-pyrrolidinyl]-,monohydrochloride, [2S-[2a(Z),4b]]-; FK 070; KDI 792