Ethyl 2-(difluoromethyl)-4-hydroxy-3-(trifluoromethoxy)pyridine-5-carboxylate
Ethyl 2-bromo-6-chloro-3-(difluoromethyl)pyridine-5-acetate
Ethyl 2,4-bis(trifluoromethyl)pyridine-6-acetate
2-Amino-5-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
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