1-[4-(Pyridin-2-yl)-phenyl]-4(S)-hydroxy-5(S)-2,5-bis[N-(N-methoxycarbonyl-(L)-valyl)amino]-6-phenyl-2-azahexane 198904-22-2 2,5,6,10,13-Pentaazatetradecanedioic acid, 8-hydroxy-3,12-bis(1-methylethyl)-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-, dimethyl ester, (3S,8S,9S,12S)- AIDS-057746 AIDS057746 Heterocyclic Azahexane deriv.