2,3-Diamino-4-nitro-5-(trifluoromethoxy)pyridine
2-Amino-3-chloro-4-hydroxy-6-(trifluoromethoxy)pyridine
3,5-Diamino-2-methyl-4-(trifluoromethoxy)pyridine
3-Amino-2,6-dimethyl-4-(trifluoromethoxy)pyridine
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