SEARCH Articles Figures Tables 3-Hydroxybenzoate 4-Hydroxybenzoate esters 4-Hydroxybenzoic acid esters 4-Hydroxybenzoic acid propyl ester Hydroxybenzoates P-Hydroxybenzoate P-Hydroxybenzoic acid P-hydroxybenzoates P-hydroxybenzoic acid esters Propyl 4-hydroxybenzoate Propyl ester Propyl p-Hydroxybenzoate