87341-14-8
tert-butyl 3-[5-oxo-4-(propan-2-yl)-2-(trifluoromethyl)-2,5-dihydro-1,3-oxazol-2-yl]propanoate
→
~62%
628332-15-0
6-(Trifluoromethyl)-4,5-dihydropyridazin-3(2H)-one
383-63-1
三氟乙酸乙酯
+
123-25-1
丁二酸二乙酯
~44%
174607-36-4
6-(三氟甲基)吡嗪-3(2H)-酮