During First World War, Germany was completely cut off from a natural supply of quinine and was forced to develop a synthetic substitute called Atabrine.

 
  • 在第一次世界大戰期間,德國被完全隔絕了天然奎寧的供應,被迫研制了一種稱(chēng)作為瘧滌平的合成替代物。
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