tert-butoxycarbonyl-beta-phenylalanyl-beta-phenylalanyl-prolyl-glycyl-beta-phenylalanyl-beta-phenylalanine methyl ester
tert-butoxycarbonyl-beta-phenylalanyl-beta-phenylalanyl-prolyl-glycyl-beta-phenylalanyl-beta-phenylalanine methyl ester