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the world > matter > chemistry > organic chemistry > hydrocarbons > [noun] > alkynes > straight-chained, by number of carbon atoms > four (3)
butine1853

A solid fat present in butter.

quartine1867

= butyne, n.

butyne1874

Originally, each of four isomeric unsaturated hydrocarbons with chemical formula C4H6; (in later use spec.) either of the two isomers which are…

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更新时间:2024/12/22 21:40:10