5-Amino-2-chloro-3-(difluoromethyl)-4-hydroxypyridine
3-(Difluoromethyl)-4,6-dimethoxy-2-hydroxypyridine
5-(Difluoromethyl)-2,4-dimethoxy-3-hydroxypyridine
3-(Difluoromethyl)-2,4-dimethoxy-6-hydroxypyridine
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