449807-22-1

2-Oxa-5,12,17-triazaoctadecan-18-oic acid,16-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-[(1S)-1-hydroxyethyl]-1-(4-methoxyphenyl)-6,13-dioxo-1,1-diphenyl-, 1,1-dimethylethyl ester, (4S,16S)-