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