有机染料靛蓝的合成与应用——介绍一个国外本科生实验并讨论其相关问题
王志鹏

The Synthesis and Application of an Organic Dye Indigo: Introduction and Discussion of an Oversea Undergraduate Experiment
A. Zhipeng WANG
图4 靛蓝分子内氢键的示意图