euquinine

例句：

1. 1. This compound has been used in the synthesis of dyes and pigments.
   这种化合物在染料和颜料的合成中被使用。
2. 2. Euquinine is a common component found in many plants, including some flowers.
   欧金宁是一种常见的植物成分，包括一些花中都有。
3. 3.The euquinine structure is responsible for its unique properties and uses in various industries.
   欧金宁的结构是其独特的性质和用途在各个行业的原因。