2-Mercapto-4-phenyl-3-(trifluoromethyl)pyridine
5-Mercapto-2-phenyl-4-(trifluoromethyl)pyridine
6-Mercapto-3-nitro-2-(trifluoromethyl)pyridine
5-Mercapto-4-nitro-2-(trifluoromethyl)pyridine
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