6-溴乙基-喋啶-2,4-二胺

(3S,8S,13S,18S)-1-(4-(methylamino)phenyl)-1,6,11,16-tetraoxo-2,7,12,17-tetraazaicosane-3,8,13,18,20-pentacarboxylic acid

N-叔丁氧羰基-L-谷氨酸 1-苄酯

pentabenzyl (3S,8S,13S,18S)-1-(4-(((benzyloxy)carbonyl)(methyl)amino)phenyl)-1,6,11,16-tetraoxo-2,7,12,17-tetraazaicosane-3,8,13,18,20-pentacarboxylate