3d image of epipodophyllotoxin skeletal formula

epipodophyllotoxin podophyllum peltatum anti-cancer topoisomerase ii inhibiting american mayapple cancer etoposide teniposide chemotherapy medication chemotherapy mechanism action derivatives dna synthesis bone marrow suppression acute myeloid leukemia toxicity nausea rendering supplement biological activity bioactive nutrient prescription drug food additive nutraceutica dietary vitamin antioxidant anti-aging healthy aging alternative medicine herbal herbal phytochemical phytotherapy plant herb natural herbalism pharmacognosy pharmacopoeia parasympathomimetic alkaloid flavonoid phytoalexin