3d image of spirosolan skeletal formula

spirosolan solanum alkaloid steroidal nightshade solanaceae cholestane steroid glycoalkaloid 3d metabolite flavonoid phytochemical essential oils bioactive herbal herb alternative medicine molecule parasympathomimetic coumarin cycle anti-cancer structural prescription drug tcm monoterpenoid phytoalexin phytotherapy biological activity mechanism flavone plant dietary molecular traditional chinese biology biosynthetic formula pharmacognosy metabolism intermediate pharmacopoeia biochemistry ball stick nutraceutica