2-Hydroxy-3-methoxy-4-methyl-5-(trifluoromethoxy)pyridine
3-Hydroxy-6-methoxy-4-nitro-2-(trifluoromethoxy)pyridine
5-(Difluoromethyl)-4-hydroxy-2-nitro-3-(trifluoromethoxy)pyridine
3-(Difluoromethyl)-4-hydroxy-5-nitro-2-(trifluoromethoxy)pyridine
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