108-24-7
乙酸酐
+
78239-27-7
4-hydroxy-7-methoxy-5-methylnaphthalene-1,2-dione
→
~89%
89827-91-8
(7-methoxy-5-methyl-1,4-dioxonaphthalen-2-yl) acetate
41634-17-7
2,7-dimethoxy-5-methylnaphthalene-1,4-dione