单项选择题
A.0.8%~1.2% B.0.6%~1.2% C.0.4%~1.5% D.0.3%~1.2% E.0.5%~1.2%
A.5.0~9.0 B.3.5~10.0 C.2.0~8.0 D.5.0~10.0 E.4.0~9.0
A.龙脑 B.青蒿素 C.乌头碱 D.薄荷醇 E.樟脑