1H-Imidazole-5-carboxamide, N,N-bis(2-chloroethyl)-1,2-dimethyl-4-nitro- 61981-99-5 BRN 0684758 N,N-Bis(2-chloroethyl)-1,2-dimethyl-4-nitro-1H-imidazole-5-carboxamide