質I(青蒿烯H3c dO CH3C15H20O5280.32 (3R,5aS,6R,8aS,12S,12aR)-八氫-3,6-二甲基-9-亞甲基-3,12-氧橋-12H-吡喃并[4,3-j]-1,2-苯并二氧雜環庚熳-10(3H)-酮