K. Yoshikawa et al., Five lanostane triterpenoids and three saponins from the fruit body of Laetiporus versisporus, CHEM PHARM, 48(10), 2000, pp. 1418-1421
Five lanostane triterpenes, named versisponic acids A-E and three lanostano
id glycosides, laetiposides EG, were isolated from the fruit bodies of Laet
iporus versisporus. Their structures were established by extensive NMR expe
riments and chemical methods.