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| a colorless, flammable gas, C4H10, a saturated aliphatic existing in two isometric forms: used chiefly in the manufacture of rubber and as fuel |
| a preparation containing an insoluble dye converted by reduction into a soluble leuco base, or a vessel containing such a preparation |
methyl group
one of the commonest structural units of organic compounds, consisting of three hydrogen atoms bonded to a carbon atom, which is linked to the remainder of the molecule. The methyl radical (CH3), the methyl cation (CH+3), and the methyl anion (CH-3)34 are transient intermediates in many chemical reactions.
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