2-Amino-5-bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2-Amino-6-hydroxy-4-nitro-3-(trifluoromethoxy)pyridine
6-Amino-4-bromo-3-(difluoromethyl)-2-(trifluoromethoxy)pyridine
2-Amino-5-hydroxy-6-nitro-3-(trifluoromethoxy)pyridine
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