Front Pharmacol.2021, 12:764297. 3-Epidehydrotumulosic acid, 6alpha-Hydroxypolyporenic acid C, Dehydropachymic acid, Dehydrotumulosic acid, Pachymic acid, Platycodin D, Platycodin D2, Polyporenic acid C and Poricoic acid A were purchased from ChemFaces