- 丙二醇 bǐng'èrchún propylene glycola colorless, viscous organic compound used as a solvent, humectant, and in various industrial and food applications
- 乙二醇 yǐ'èrchún ethylene glycola chemical compound (C2H4(OH)2) commonly used as antifreeze and in the production of polyester fibers
- 丁二醇 dīng'èrchún butanediolbutyl glycol; butanediol
- 甲二醇 jiǎ'èrchún methylene glycol