1-Buten-3-one 1-Propen-3-one 2-Butenone 3-Buten-2-one 3-Butene-2-one 78-94-4 Acetone, methylene- Butenone Ketone, methyl vinyl Methyl ethenyl ketone Methyl vinyl ketone Methyl-vinyl-cetone Methylvinyl ketone Methylvinylketon NSC4853 Vinyl methyl ketone WLN: 1V1U1