但是三种抗疟药——青蒿素、青蒿琥酯和蒿甲醚——栓剂的有效性从未进行过比较。
But the three types of antimalarial available in suppository form - artemisinin, artesunate and artemether - have never been compared for effectiveness.
他们用青蒿素的一种衍生物——蒿甲醚代替青蒿素，协助改进了固定复方药。
They helped improve the fixed combination by replacing artemisinin with [one of its derivatives], artemether.
青蒿素类药物是治疗疟疾的主要药物，其衍生物有青蒿琥酯、蒿甲醚和二氢青蒿素等，主要的作用机制是通过铁离子介导的细胞损伤。
Artemisinins are the major drugs of antimalarial. Its derivatives include artesunate, artemether, dihydroartemisinin and etc. Artemisinins exert their antimalarial activity by iron-mediated cleavage.
青蒿素类药物是治疗疟疾的主要药物，其衍生物有青蒿琥酯、蒿甲醚和二氢青蒿素等，主要的作用机制是通过铁离子介导的细胞损伤。
Artemisinins are the major drugs of antimalarial. Its derivatives include artesunate, artemether, dihydroartemisinin and etc. Artemisinins exert their antimalarial activity by iron-mediated cleavage.
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