gentisic acid

例句：

1. 1. This compound is used in the production of dyes and pigments.
   这种化合物用于染料和颜料的生产。
2. 2.The chemical properties of this substance are similar to those of gentisic acid.
   这种物质的化学性质与金天青酸相似。
3. 3. The discovery of this acid has revolutionized the field of organic chemistry.
   这种酸的发现已经改变了有机化学领域。