1-Propanone, 1-(2,4-dihydroxyphenyl)-, oxime 2',4'-Dihydroxypropiophenone oxime 2,4-Dihydroxypropiophenone oxime 22919-58-0 EINECS 245-328-7 NSC 152097 Propiophenone, 2',4'-dihydroxy-, oxime