3d image of costunolide skeletal formula

costunolide sesquiterpene lactone monoterpenoid terpenoid monoterpene terpene saussurea costus roots lettuce mevalonate pathway 3d tcm dietary bioactive alkaloid flavone alternative medicine anti-aging structural essential oils molecular pharmacopoeia phytoalexin biosynthesis cell skeletal molecule formula herbal structure biological activity anti-cancer pharmacognosy catabolism plant phytoestrogen biology food additive cycle prescription drug phytochemical biosynthetic biomolecule herb