2-Amino-6-nitro-3-(trifluoromethoxy)pyridine-4-acetic acid
Ethyl 2-amino-5-methyl-4-(trifluoromethoxy)pyridine-3-carboxylate
6-Amino-4-nitro-3-(trifluoromethoxy)pyridine-2-acetic acid
2-Amino-4-nitro-3-(trifluoromethoxy)pyridine-5-acetic acid
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