cathionone

例句：

1. 1. The drug is a calcium ion chelating agent that helps to treat kidney stones.
   这种药物是一种钙离子螯合剂，有助于治疗肾结石。
2. 2.The patient needed an immediate calcium ion chelating agent to prevent further damage to his bone structure.
   患者需要立即使用一种钙离子螯合剂来防止进一步损害他的骨骼结构。
3. 3. The research team discovered a new calcium ion chelating agent that could potentially cure cancer cells.
   研究团队发现了一种新的钙离子螯合剂，可能能够治愈癌细胞。