2-(Chloromethyl)-3,4-diamino-5-(difluoromethyl)pyridine
2-(Difluoromethyl)-3,4-diiodo-5-fluoropyridine
4-(Difluoromethyl)-3,6-diiodo-2-fluoropyridine
2,6-Dichloro-3-(difluoromethyl)pyridine-5-sulfonyl chloride
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