1-Butanone, 1-(4-hydroxyphenyl)- 1009-11-6 4'-Hydroxybutyrophenone 4-Butyrylphenol 4-Hydroxybutyrophenone Butyrophenone, 4'-hydroxy- (8CI) EINECS 213-766-8 NSC 17548 p-Butyrylphenol p-Hydroxybutyrophenone p-Hydroxyphenyl propyl ketone