(5S,8S)-36-methoxy-8-((6R,9S,12S,15S)-12-(4-methoxybenzyl)-2,2,6,9,15-pentamethyl-4,7,10,13-tetraoxo-3-oxa-5,8,11,14-tetraazahexadecan-16-amido)-6-methyl-7-oxo-2-oxa-6-aza-1(1,4),3(1,3)-dibenzenacyclononaphane-5-carboxylic acid

BOC-D-alanyl-L-alanyl-O4-methyl-L-tyrosyl-L-alanyl-L-tyrosyl-N,O4-dimethyl-L-tyrosine cyclic 54<*>63 ether, methyl ester