Keywords: But-3-en-2-one 200.svg validSVG Structure of but-3-en-2-one Struktur von But-3-en-2-on Own 2014-03-11 Emeldir <span class signature-talk >talk</span> Chemical structure verified https //upload wikimedia org/wikipedia/commons/1/19/But-3-en-2-one_200 svg 1S/C4H6O/c1-3-4 2 5/h3H 1H2 2H3 FUSUHKVFWTUUBE-UHFFFAOYSA-N 78-94-4 201-160-6 PD-chem Methyl vinyl ketone |