The medicine combines two existing malaria drugs, artesunate and mefloquine. 这种药物混合了两种现有的抗疟药，即青蒿酯和甲氟喹。
HPLC method for determination of dihydroartemisinin and other related substancesin artesunate andartesunate for injection was established. 建立了反相高效液相色谱法测定青蒿琥酯及注射用青蒿琥酯中杂质二氢青蒿素及其它有关物质。
The researchers say the high cost of real artesunate and the shortage of it in Africa create conditions for the spread of fake drugs. 研究人员表示，成本高的实际青蒿琥酯和短缺的是在非洲创造条件蔓延的假药。
