918936-14-8

L-Phenylalanine,N-[(1,1-dimethylethoxy)carbonyl]-3-methyl-L-histidyl-1-(triphenylmethyl)-L-histidyl-1-aminocyclopentanecarbonyl-O-(1,1-dimethylethyl)-L-seryl-O-(1,1-dimethylethyl)-D-tyrosyl-, methyl ester