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