Ketones with a functional group that contains both a carbon-carbon triple bond (acetylenic) and a carbonyl group at the α-position (next to a carbon-carbon double bond) of the molecule.
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1-(1-methyl-1H-pyrazol-5-yl)-3-phenylprop-2-yn-1-one
1-phenyl-2,4-nonadiyn-1-one
