3-Buten-2-one, 4-(4-hydroxyphenyl)- 3-Buten-2-one, 4-(p-hydroxyphenyl)- 3160-35-8 4-(4-Hydroxyphenyl)but-3-en-2-one 4-(p-Hydroxyphenyl)-3-buten-2-one 4-Hydroxybenzal acetone 4-Hydroxycinnamoylmethane AI3-30539 EINECS 221-607-9 NSC 26516 p-Hydroxybenzalacetone p-Hydroxybenzylidene acetone