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