6-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)naphthalene-2-carboxylic acid 、 2-((2R,11aS)-2-((tert-butyldiphenylsilyl)oxy)-5,11-dioxo-2,3,11,11a-tetrahydro-1H-benzo[e]pyrrolo[1,2-a][1,4]diazepin-10(5H)-yl)acetyl chloride 、
(4-氨基丁基)胍 以0.9 mg的产率得到6-[[2-[(6aS,8R)-8-hydroxy-6,11-dioxo-6a,7,8,9-tetrahydropyrrolo[2,1-c][1,4]benzodiazepin-5-yl]acetyl]amino]-N-[4-(diaminomethylideneamino)butyl]naphthalene-2-carboxamide