Nitroguanidine556-88-752 % similar N-Methyl-N′-nitroguanidine4245-76-539 % similar 4,5-Dihydro-N-nitro-1H-imidazol-2-amine5465-96-336 % similar Methylnitronitrosoguanidine70-25-732 % similar Fox-7145250-81-332 % similar 3,6-Dihydro-3-methyl-N-nitro-2H-1,3,5-oxadiazin-4-amine153719-38-131 % similar Nitroarginine2149-70-430 % similar