Ethyl 5-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate
Ethyl 1-(difluoromethyl)-5-methyl-1H-pyrazole-3-carboxylate
Ethyl 3-(difluoromethyl)-1-methyl-1H-pyrazole-4-carboxylate
tert-Butyl 4-(difluoromethyl)-1H-pyrazole-1-carboxylate
Ethyl 5-(difluoromethyl)-1H-pyrazole-4-carboxylate
