References
- The Pharmacopoeia Commission of P.R. China . 2000 . The Pharmacopoeia of P.R. China () , 2000 edn. , Vol. I , 80 Beijing : Chemical Industry Publishing House .
- Stotuers , J. B. 1972 . Carbon-13 NMR spectroscopy , New York : Academic Press, Inc .
- Sugiyama , S. , Honda , M. and Komori , T. 1990 . Liebigs Ann. Chem. , : 1069 – 1078 .
- Sugiyama , S. , Honda , M. , Higuchi , R. and Komori , T. 1991 . Liebigs Ann. Chem. , : 349 – 356 .
- Lybeshkin , A. V. , Sebyakin , Yu. L. and Evstigneeva , R. P. 1991 . Bioorg. Khim. , 17 ( 5 ) : 710 – 713 .