3,5-Diamino-2-(difluoromethyl)-6-(trifluoromethoxy)pyridine
2,5-Diiodo-4-(trifluoromethoxy)pyridine-3-acetic acid
3,4-Diamino-6-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4,6-Diiodo-2-(trifluoromethoxy)pyridine-3-acetic acid
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