規那霜 [规－－]

Jyutping kwai1 naa5 soeng1
Pinyin guī nà shuāng

Definitions (Wiktionary)
  1. noun, Min-Nan
    crystalline quinine
    (syn.) 雞那粉, 金雞納霜, 鸡那粉, 白藥, 白药, 金雞那霜, 金鸡纳霜, 金鸡那霜