28281-84-7
6-(carboxymethyl)-1,3-benzodioxole-5-carboxylic acid
+
141-75-3
正丁酰氯
→
~46%
163597-63-5
7-propyl-[1,3]dioxolo[4,5-g]isochromen-5-one
2107-69-9
5,6-二甲氧基-1-茚酮