CHO HOCH? CHO OH Citral a Citral b My lycrenol Lavandulyl 柠檬醛α柠檬醛b月桂烯醇薰衣草醇OH HOCH2 Mycrenol Lavandulol 月桂烯醇 薰衣草醇 CHO CHO 柠檬醛 a 柠檬醛 b Citral a Citral b