3-Amino-2-(difluoromethyl)-6-nitro-5-(trifluoromethoxy)pyridine
2-Amino-6-chloro-4-iodo-3-(trifluoromethoxy)pyridine
6-Amino-2-(difluoromethyl)-3-nitro-4-(trifluoromethoxy)pyridine
Ethyl 3-amino-6-bromo-2-(trifluoromethoxy)pyridine-4-carboxylate
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