184900-62-7
→
~61%
184900-63-8
7-methoxy-3-methyl-2H-chromene
42327-52-6
4H-1-苯并吡唑-4-酮
54031-59-3
7-methoxy-3-methylchroman-4-one
673-22-3
2-羟基-4-甲氧基苯甲醛