127-09-3
无水醋酸钠
+
108-24-7
乙酸酐
2491-36-3
2-溴-2′-羟基苯乙酮
→
89974-76-5
(2-methyl-4-oxochromen-3-yl) acetate
855743-67-8
2-methyl-chroman-3,4-dione
108-95-2
苯酚
620-72-4
溴乙酸苯酯
22105-10-8
3-hydroxy-2-methylchromen-4-one