3-Amino-2-iodo-5-nitro-4-(trifluoromethoxy)pyridine
4-Amino-3-chloro-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine
4-Amino-6-chloro-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine
6-Amino-2-iodo-3-nitro-4-(trifluoromethoxy)pyridine
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