4245-77-6 CCRIS 300 EINECS 224-206-7 ENNG GUANIDINE, 1-ETHYL-3-NITRO-1-NITROSO- Guanidine, N-ethyl-N'-nitro-N-nitroso- (9CI) N-Aethyl-N'-nitro-N-nitrosoguanidin [German] N-Ethyl-N'-nitro-N-nitrosoguanidine N-Ethyl-N-nitroso-N'-nitroguanidine NSC 38191