1,3-Diglycidylbenzimidazolone 1,3-Dihydro-1,3-bis(oxiranylmethyl)-2H-benzimidazol-2-one 2H-Benzimidazol-2-one, 1,3-dihydro-1,3-bis(oxiranylmethyl)- 43162-10-3 N,N'-Diglycidylbenzimidazolone