4-[(5-Amino-3,4-dihydro-2H-pyrrol-2-yl)carbonylamino]-N-(3-amino-3-imino-1-propenyl)-1-methyl-1H-pyrrole-2-carboxamide;4-[[(5-Amino-3,4-dihydro-2H-pyrrol-2-yl)carbonyl]amino]-N-(3-amino-3-imino-1-propenyl)-1-methyl-1H-pyrrole-2-carboxamide;Kikumycin B