9Ono M, Sawamura H, Ito Y, et al. Diterpenoids from the fruits of Vitex trifolia[J]. Phytochemistry, 2000, 55: 873-877.
10Okuyama E, Fujimori S, Yamazki M, et al. Pharmacologically active components of Viticis Fructus (Vitex rotundifolia).Ⅱ.The components having analgesic effects[J]. Chem Pharm Bull, 1998, 46(4):655-662.