butenylidene

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English[edit]

Noun[edit]

butenylidene (plural butenylidenes)

  1. (organic chemistry, especially in combination) Any of four isomeric divalent radicals derived from a butene
    • CH3-CH2-CH=C<
    • CH3-CH=CH-CH<
    • CH2=CH-CH2-CH<
    • CH2=CH-C(CH3)<