Synonyms: AC1LD8M2;(3S,3aS,6aR)-N-[1-(cyclopropylamino)-1,2-dioxohexan-3-yl]-2-[(2S)-3-methyl-2-[[(2S)-3-methyl-2-[5-(2H-tetrazol-5-yl)pentanoylamino]butanoyl]amino]butanoyl]-3,3a,4,5,6,6a-hexahydro-1H-cyclopenta[c]pyrrole-3-carboxamide;402956-81-4;Cyclopenta[c]pyrrole-1-carboxamide, N-[1-oxo-5-(1H-tetrazol-5-yl)pentyl]-L-valyl-L-valyl-N-[1-[(cyclopropylamino)oxoacetyl]butyl]octahydro-, (1S,3aR,6aS)- (9CI)