146063-29-8 2,5,10,13-Tetraaza-7-phosphatetradecanedioic acid, 7-ethoxy-8-hydroxy-3,12-bis(1-methylethyl)-4,11-dioxo-6,9-bis(phenylmethyl)-, bis(phenylmethyl) ester, 7-oxide AIDS-045050 AIDS045050 Bis(Cbz-Val-Phe)phosphinate isostere