Ethyl 3-chloro-4-(difluoromethyl)pyridine-5-acetate
Ethyl 2-chloro-6-(difluoromethyl)pyridine-4-acetate
3-Chloro-4-(difluoromethyl)pyridine-2-sulfonyl chloride
Ethyl 2-chloro-4-(difluoromethyl)pyridine-5-acetate
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