References
- Okuyam , T and Shibata , S . 1981 . Planta Med. , 42 : 89 – 96 .
- Nielsen , BE , Larsen , PK and Lemmich , J . 1971 . Acta Chem. Scand. , 25 : 529 – 533 .
- Swager , TM and Cardellina , JH . 1985 . Phytochemistry , 24 : 805 – 813 .
- Delgado , G and Garduño , J . 1987 . Phytochemistry , 26 : 1139 – 1141 .
- Kong , LY , Li , Y , Min , Z , Li , X and Zhu , T . 1996 . Phytochemistry , 41 : 1423 – 1426 .
- Kong , LY , Min , ZD , Li , Y , Li , X and Pei , YH . 1996 . Phytochemistry , 42 : 1689 – 1691 .
- Takata , M , Shibata , S and Okuyama , T . 1990 . Planta Med. , 56 : 307 – 311 .
- Rao , M , Liu , W , Liu , P and Wi , E . 2002 . J. Chin. Pharm. Sci. , 11 : 110 – 114 .
- Lemmich , J , Lemmich , E and Nielsen , BE . 1966 . Acta Chem. Scand. , 20 : 2497 – 2507 .
- Macias , FA , Massanet , GM , Rodriquez-Luis , F , Salvá , J and Fronczek , FR . 1989 . Magn. Reson. Chem. , 27 : 653 – 657 .
- Ward , TJ and Farrs , AB III . 2001 . J. Chromatogr. A , 906 : 73 – 89 .