4,6-Dihydroxy-3-(trifluoromethoxy)pyridine-2-acetonitrile
2-Amino-6-bromo-3-(difluoromethyl)-4-(trifluoromethoxy)pyridine
2,3-Dihydroxy-4-(trifluoromethoxy)pyridine-5-acetonitrile
3,5-Dihydroxy-2-nitro-4-(trifluoromethoxy)pyridine
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