Synonyms: Carbamicacid,[3-[4-[2-amino-2-oxo-1-(phenylmethyl)ethyl]-2,3,4',5'-tetrahydro-2-(2-methylpropyl)-3,4'-dioxo-5'-(phenylmethyl)[2,3'-bi-1H-pyrrol]-5'-yl]-2-hydroxy-1-(phenylmethyl)propyl]-,1,1-dimethylethyl ester, [2S-[2R*[R*(1R*,2R*)],4(S*)]]-