SEARCH Articles Figures Tables 11-Keto-p-boswellic acid 11-keto-boswellic acid A-Boswellic acid Acetyl-11-keto-P-boswellic acid Acetyl-11-keto-P-boswellic acid effects on LELA Boswell Boswellia serrata 3-Boswellic acid P-Boswellic acid Pentacyclic triterpenes boswellic acid