4-Phthalimidobutansaeure-N-succinimidylester
(S)-benzyl 2-((S)-2-amino-3-phenylpropanamido)-4-methylpentanoate hydrochloride
4-(benzyloxycarbonyl-O-benzyl-L-tyrosyl)aminobutyryl-L-phenylalanyl-L-leucine
L-tyrosyl-γ-aminobutyryl-L-phenylalanyl-L-leucine
(S)-2-[(S)-2-(4-Amino-butyrylamino)-3-phenyl-propionylamino]-4-methyl-pentanoic acid
4-(phthaloyl)aminobutyryl-L-phenylalanyl-L-leucine