1,12,23-tris(benzyloxy)-1,6,12,17,23,28-hexaazacyclotritriacontane-2,5,13,16,24,27-hexone

(5-氨基戊基)(苯基甲氧基)氨基甲酸叔丁酯

5,16-bis(benzyloxy)-20-cyano-4,12,15-trioxo-5,11,16-triazaeicosanoic acid

27-[N-(benzyloxy)amino]-6,17-bis(benzyloxy)-7,10,18,21-tetraoxo-6,11,17,22-tetraazaheptacosanenitrile

5,16,27-tris(benzyloxy)-32-amino-4,12,15,23,26-pentaoxo-5,11,16,22,27-pentaazadotriacontanoic acid