New Synthetic Methods of 5,7-Dimethoxy-4-methylphthalide and 5,7-Dihydroxy-4-methylphthalide
ZUO, Li ; YAO, Shan-Yan; DUAN, Wen-Hu*
Chin. J. Org. Chem. . 2008, (11): 1982 -1985 .