186581-53-3
重氮甲烷
+
17422-74-1
色酮-3-甲醛
→
~1%
10037-20-4
3-acetyl-2-methylchromen-4-one
111570-53-7
1H-chromeno[3,2-c]pyrazol-9-one
17422-75-2
3-acetylchromen-4-one