tylophora alkaloid

例句：

1. 1. The tylophora alkaloid was found to be toxic to humans.
   这种生物碱对人类是有毒的。
2. 2. The tylophora alkaloid has been used in traditional medicine for centuries.
   这种生物碱在传统医学中被使用了好几个世纪。
3. 3. The discovery of the tylophora alkaloid led to significant advancements in drug development.
   这种生物碱的发现推动了药物开发的显著进步。