1H-Azepine-1-carboxamide, N,N'-(methylenedi-4,1-phenylene)bis(hexahydro-2-oxo- 54112-23-1 EINECS 258-981-8 N,N'-(Methylenedi-p-phenylene)bis(hexahydro-2-oxo-1H-azepine-1-carboxamide)