SEARCH Articles Figures Tables 3-Hydroxybenzoate Butyl-p-hydroxybenzoic acid Esters of p-hydroxybenzoic acid Hydroxybenzoates P-Hydroxybenzoate P-Hydroxybenzoic acid , use P-Hydroxybenzoic acid copolymer P-Hydroxybenzoic acid ethyl ester P-Hydroxybenzoic acid methyl ester P-Hydroxybenzoic acid propyl ester P-Hydroxybenzoic acid, pKa P-Hydroxybenzoic acid, terephthalic P-hydroxybenzoates P-hydroxybenzoic acid esters Poly(p-hydroxybenzoic acid) Poly(p-hydroxybenzoic acid-co-ethylene