198903-87-6 2,5,6,10,13-Pentaazatetradecanedioic acid, 12-(1,1-dimethylethyl)-8-hydroxy-3-(1-methylethyl)-4,11-dioxo-9-(phenylmethyl)-6-[[4-(5-thiazolyl)phenyl]methyl]-, dimethyl ester, (3S,8S,9S,12S)- AIDS-057719 AIDS057719 Heterocyclic Azahexane deriv.