1-Propanone, 1-(3,4-dihydroxyphenyl)-2-methyl- 3',4'-Dihydroxy-.alpha.-methylpropiophenone 3',4'-Dihydroxy-2-methylpropiophenone 5466-89-7 Isobutyrophenone, 3',4'-dihydroxy- NSC27389 Propiophenone, 3',4'-dihydroxy-.alpha.-methyl- Propiophenone, 3',4'-dihydroxy-2-methyl- U 0521