benzyloxycarbonyl-O-benzyl-L-tyrosine 1-succinimidyl ester
4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine 2,4,6-trimethylbenzyl ester
4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine benzyl ester
4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine
(S)-2-[(S)-2-(4-Amino-butyrylamino)-3-phenyl-propionylamino]-4-methyl-pentanoic acid