72857-86-4
3,4-二溴-5-苯基-2(5H)-呋喃酮
→
~66%
90766-97-5
5-溴-6-苯基-3(2H)-吡嗪酮
491876-40-5
5-bromo-2-hydroxymethyl-6-phenyl-3(2H)-pyridazinone