6-(Chloromethyl)-4-(difluoromethyl)-3-methyl-2-(trifluoromethoxy)pyridine
4-(2-Chloro-4-nitrobenzoyl)pyridine
3-Fluoro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine
3-(4-Chloro-3-nitrobenzoyl)pyridine
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