2-Methoxy-3-(trifluoromethoxy)-6-(trifluoromethyl)pyridine
4-Methoxy-5-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
2-Methoxy-3-(trifluoromethoxy)-4-(trifluoromethyl)pyridine
4-Methoxy-3-(trifluoromethoxy)-2-(trifluoromethyl)pyridine
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