cuproine

例句：

1. 1. The chemical cuproine is used in the production of dyes and pigments.
   苦味酸是一种用于生产染料和颜料的化学物质。
2. 2. The plant extract contains high concentrations of cuproine.
   这种植物提取物含有高浓度的苦味酸。
3. 3.The toxicity of cuproine is due to its ability to form highly reactive compounds with other chemicals.
   苦味酸的毒性是由于它能与其他化学物质形成高度反应性的化合物。