
Keywords: Alpinumisoflavone; Apoptosis; Cytotoxicity; Multi-drug resistance; Phenolic compounds; Pycnanthulignene1, alpinumisoflavone; 2, laburnetin; 3, amentoflavone; 4, pycnanthulignene A; 5, pycnanthulignene B; 6, euxanthone; 7, syringaresinol; ABC, adenosine tr