1'-Oxoestragole 1-(4-Methoxyphenyl)-2-propen-1-one 2-Propen-1-one, 1-(4-methoxyphenyl)- (9CI) 4'-Methoxyacrylophenone 4-08-00-00887 (Beilstein Handbook Reference) 7448-86-4 ACRYLOPHENONE, 4'-METHOXY- BRN 2041093 p-Methoxyacrylophenone p-Methoxyphenyl vinyl ketone