dibromosceptrin

N,N'-[[3α,4β-Bis(2-amino-1H-imidazole-4-yl)-1α,2β-cyclobutanediyl]bismethylene]bis[4,5-dibromo-1H-pyrrole-2-carboxamide]

N,N'-[[(1R)-3α,4β-Bis(2-amino-1H-imidazol-5-yl)cyclobutane-1α,2β-diyl]bis(methylene)]bis(4,5-dibromo-1H-pyrrole-2-carboxamide)