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