3-Chloro-2,5-diamino-6-(trifluoromethoxy)pyridine
6-Chloro-2,4-diamino-3-(trifluoromethoxy)pyridine
2,6-Dichloro-3-fluoro-4-(trifluoromethoxy)pyridine
3,6-Dichloro-4-fluoro-2-(trifluoromethoxy)pyridine
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