... ethanol, 2- propene-1-ol, isobutanol, 3-methyl-1-bu-•tanol, ethylene glycol, etc.Ketones: acetone, 2- butanone, 2- butanone (mek), 2, 3-butandione, cyclo-•pentanone, 2- pentanone, 3-pentanone, 2- cyclopentanone, ... cyclopentenolone, 1-acetyloxy -2 - propanone, 2- methyl-3-hydroxy -2 - pyrone, 2- methoxy- 4- methylanisole, 4-OH-3-methoxybenzaldehyde, maltol, etc. (Diebold 20 00).Inorganic components can be present in bio-oil in ... acetaldehyde, 2- propenal, 2- butenal, 2- methyl-• 2- butenal, pentanal, ethanedial.Phenols: phenol, 2- methyl phenol, 3-methyl phenol, 4-methyl phenol, • 2, 3-dimethyl phenol, 2, 4-dimethyl phenol, 2, 5-dimethyl...