methyl 4-[[[4-[[[4-[[(tert-butyloxy)carbonyl]amino]-1-methyl-pyrrol-2-yl]carbonyl]amino]-1-methyl-pyrrol-2-yl]carbonyl]amino]-1-methyl-pyrrole-2-carboxylic acid

BocHN-PyPyPy-CO2Me

4-[[[4-[[(4-tert-butyloxycarbonyl)amino-1-methylpyrrol-2-yl]carbonyl]amino-1-methylpyrrol-2-yl]carbonyl]amino]-1-methyl-2-(((carbonyl)amino)propio-3-nitrile)pyrrole

desformyldistamycin A

1-甲酰基咪唑