3-Amino-4,5-difluoro-2-(difluoromethyl)pyridine
4-Amino-2,6-difluoro-3-(difluoromethyl)pyridine
Ethyl 2-(difluoromethyl)-4-fluoropyridine-6-carboxylate
2,4-Dichloro-5-(difluoromethyl)-3-fluoropyridine
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