16636-62-7
1-(2-羟基苯基)-1,3-丁二酮
+
4637-24-5
N,N-二甲基甲酰胺二甲基缩醛
→
~50%
93598-96-0
2-(dimethylaminomethylidene)-1-(2-hydroxyphenyl)butane-1,3-dione
31964-91-7
2-(2-hydroxybenzoyl)xanthen-9-one
17422-75-2
3-acetylchromen-4-one