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