A crystalline alkaloid,C33H35N5O5,derived from ergot that induces vasoconstriction and is used especially in treating migraine.

 
  • 麦角胺一种结晶生物碱,C33H35N5O5,由麦角中提取,有使血管收缩的作用,特别用来治疗偏头痛
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