103854-03-1
6-methoxy-4-methyl-5-nitrochromen-2-one
→
~87%
5255-54-9
6-hydroxy-4-methyl-5-nitrochromen-2-one
123-31-9
1,4-苯二酚
2373-31-1
6-羟基-4-甲基香豆素