198903-88-7 2,5,6,10,13-Pentaazatetradecanedioic acid, 3,12-bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(5-thiazolyl)phenyl]methyl]-, dimethyl ester, (3S,8S,9S,12S)- AIDS-057715 AIDS057715 Heterocyclic Azahexane deriv.