3-Chloro-4,5-difluoro-2-(trifluoromethoxy)pyridine
4-Chloro-2,6-difluoro-3-(trifluoromethoxy)pyridine
2-Chloro-3,6-difluoro-5-(trifluoromethoxy)pyridine
2-Amino-6-(difluoromethyl)-3-fluoro-5-(trifluoromethoxy)pyridine
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