2-(4-Hydroxyphenyl)acetaldehyde 2-(4-hydroxyphenyl)ethanal 7339-87-9 4-Hydroxyphenylacetaldehyde HYDROXYACETOPHENONE (4-hydroxyphenyl)acetaldehyde CHEBI:15621 Benzeneacetaldehyde, 4-hydroxy- C03765 p-Hydroxyphenylacetaldehyde pOH-Ph-CH2CHO