42974-18-5
3,4-二溴-3,4-二氢香豆素
→
~76%
32560-26-2
3,4-dihydro-2H-chromen-2-ol
32560-25-1
2-methoxydihydro-2H-coumarin
20921-02-2
7-methoxy-3,4-dihydrochromen-2-one
491-37-2
4-二氢色原酮