70901-60-9
4-O-β-D-吡喃葡萄糖基-5-O-磷羧基-D-核糖醇
+
77-78-1
硫酸二甲酯
→
~87%
13410-15-6
(R)-6-methoxymellein
15766-71-9
(3R)-6,8-dimethoxy-3-methyl-3,4-dihydroisochromen-1-one