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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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更新时间:2026/6/1 18:22:28