3-Mercapto-2-methylpyridine
2-Mercapto-4-nitro-5-(trifluoromethyl)pyridine
6-Iodo-2-(trifluoromethyl)-3-(trifluoromethylthio)pyridine
5-Iodo-4-(trifluoromethyl)-2-(trifluoromethylthio)pyridine
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