58298-92-3 Colimecycline Colimecycline [INN:DCF] DCF N,N',N''-Tris((4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,6,10,12,12a-hexahydroxy-6-methyl-1,11-di-oxo-2-naphthacenecarboxamido)methyl)polymyxin E (nominal).