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Jyutping cing1 hou1 sou3
Pinyin qīng hāo sù

Definitions (CC-CEDICT)
  1. Arteannuin (anti-malaria chemical)
  2. Artemisinin
  3. Qinghaosu
Definitions (Wiktionary)
  1. noun
    artemisinin; qinghaosu
    (syn.) 黃花蒿素, 黄花蒿素