Ethyl 2,5-dichloro-3-(difluoromethyl)pyridine-4-carboxylate
Ethyl 2,4-dichloro-3-(difluoromethyl)pyridine-5-carboxylate
4-Cyano-2,6-diamino-3-(difluoromethyl)pyridine
2-Cyano-3,6-diamino-5-(difluoromethyl)pyridine
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