74784-70-6
2-氨基-5-三氟甲基吡啶
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168123-87-3
7-(trifluoromethyl)-1,4-dihydropyrido[2,3-b]pyrazine-2,3-dione
53359-69-6
3-硝基-5-三氟甲基-2-氨基吡啶