methyl (5S,8S)-3⁶-methoxy-8-((5R,8S,11S,14S)-11-(4-methoxybenzyl)-N,5,8,10,14-pentamethyl-3,6,9,12-tetraoxo-1-phenyl-2-oxa-4,7,10,13-tetraazapentadecan-15-amido)-6-methyl-7-oxo-2-oxa-6-aza-1(1,4),3(1,3)-dibenzenacyclononaphane-5-carboxylate