N-叔丁氧羰基-N-[3-(叔丁氧羰基氨基)丙基]甘氨酸

[tert-Butoxycarbonyl-(3-tert-butoxycarbonylamino-propyl)-amino]-acetic acid (S)-sec-butyl ester

[tert-Butoxycarbonyl-(3-tert-butoxycarbonylamino-propyl)-amino]-acetic acid (1S,4R)-4-acetoxy-cyclopent-2-enyl ester

(3-{tert-Butoxycarbonyl-[((R)-1,2-dimethyl-propylcarbamoyl)-methyl]-amino}-propyl)-carbamic acid tert-butyl ester

(S)-3-[2-(3-Amino-propylamino)-acetoxy]-2,2-dimethyl-3-phenyl-propionic acid methyl ester