1-甲基-1H-咪唑-2-羧酸 、
4-叔丁氧羰氨基-1-甲基-1H-吡咯-2-苯并噻唑羧酸甲酯 、
甲胺 、
N-Alpha-(9-芴甲氧羰基)-N-β-叔丁氧羰基-D-2,4-二氨基丁酸 、
2-(4-tert-butoxycarbonylamino-1-methyl-1H-pyrrole-2-yl)-3H-imidazo[4,5-b]pyridine-5-carboxylic acid 以0.4 mg的产率得到N-[5-[[(3R)-3-amino-4-[[1-methyl-5-[[1-methyl-5-[[1-methyl-5-[[1-methyl-5-(methylcarbamoyl)pyrrol-3-yl]carbamoyl]pyrrol-3-yl]carbamoyl]pyrrol-3-yl]carbamoyl]pyrrol-3-yl]amino]-4-oxobutyl]carbamoyl]-1-methylpyrrol-3-yl]-2-[1-methyl-4-[(1-methylimidazole-2-carbonyl)amino]pyrrol-2-yl]-1H-imidazo[4,5-b]pyridine-5-carboxamide