3-(1-naphthyl)-D-alanine
L-1-naphthylalanine
(S)-3-{(S)-2-[(S)-2-(2-{(S)-2-[(S)-2-tert-Butoxycarbonylamino-3-(4-sulfooxy-phenyl)-propionylamino]-hexanoylamino}-acetylamino)-3-naphthalen-1-yl-propionylamino]-hexanoylamino}-N-((S)-1-carbamoyl-2-phenyl-ethyl)-succinamic acid
(S)-3-{(S)-2-[(S)-2-(2-{(S)-2-[(S)-2-tert-Butoxycarbonylamino-3-(4-hydroxy-phenyl)-propionylamino]-hexanoylamino}-acetylamino)-3-naphthalen-1-yl-propionylamino]-hexanoylamino}-N-((S)-1-carbamoyl-2-phenyl-ethyl)-succinamic acid
(S)-3-[(S)-2-((S)-2-tert-Butoxycarbonylamino-3-naphthalen-1-yl-propionylamino)-hexanoylamino]-N-((S)-1-carbamoyl-2-phenyl-ethyl)-succinamic acid benzyl ester