a dicarboxylic acid, C9H14O4, obtained from pine resin, whose molecule contains a four-membered ring.
| 单词 | θ69810 |
| 释义 | the world > matter > chemistry > organic chemistry > acids obtained from plants or trees > [noun] > from pine resin (2) pinic acid1831 a dicarboxylic acid, C9H14O4, obtained from pine resin, whose molecule contains a four-membered ring. pimaric acid1852 a crystalline tricyclic acid, C20H30O2, occurring in turpentine. |
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