6-Amino-3-methoxy-2-nitro-4-(trifluoromethoxy)pyridine
4-Amino-3-(fluoromethyl)-2-methoxy-5-(trifluoromethoxy)pyridine
2-Amino-5-methoxy-3-nitro-6-(trifluoromethoxy)pyridine
2-Amino-4-methoxy-6-nitro-3-(trifluoromethoxy)pyridine
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