178047-79-5

2-OXA-5,8,14-TRIAZAPENTADECAN-15-OICACID,12-HYDROXY-7-(1-METHYLETHYL)-6,9-DIOXO-10,13-BIS(PHENYLMETHYL)-,1,1-DIMETHYLETHYLESTER,[7S-(7R*,10S*,12R*,13R*)]-