diazomethane
difluoronitroacetic acid
methanol
1-nitroso-2-nitrotetrafluoroethane
Nitrodifluoracetylfluorid
1-difluoronitroacetyl-4-phenylpiperazine
1-difluoronitroacetyl-4-(p-tolylphenyl)piperazine
1-difluoronitroacetyl-4-(o-tolylphenyl)piperazine
Benzoic acid N'-(2,2-difluoro-2-nitro-acetyl)-hydrazide
Difluoro-nitro-acetic acid N'-(2,5-dichloro-phenyl)-hydrazide