1-[4-(Thiazol-5-yl)-phenyl]-4(S)-hydroxy-2-N-(N-methoxycarbonyl-(L)-S-methylcysteinyl)amino]-5(S)-N-(N-methoxycarbonyl-(L)-tert-leucyl)amino-6-phenyl-2-azahexane 198903-90-1 2,5,6,10,13-Pentaazatetradecanedioic acid, 12-(1,1-dimethylethyl)-8-hydroxy-3-[(methylthio)methyl]-4,11-dioxo-9-(phenylmethyl)-6-[[4-(5-thiazolyl)phenyl]methyl]-, dimethyl ester, [3S-(3R*,8R*,9R*,12R*)]- AIDS-057717 AIDS057717 Heterocyclic Azahexane deriv.