8Kazushi Shingu. Shiji Yahara. etc. Three new withanolides, physagulins A, B and D from physalis angulata L[J]. Chem,Pharm. Bull. ,1992,40(8):2088.
9Partha Neogi,M ahendra Sahai and Anil B.Ray. Withaperuvins F and G, two withanolides of physalis peruviona roots[J]. Phytochemistry, 1987,26 (1): 243.
10Basey K. , Nakashima R. , Butsugan Y. , et al. Phytochemstry, 1973, 12 (10): 2577-2583.
