Look Back to the 衣林 Nomenclature IUPAC benzoic acid is the simplest aromatic carboxylic acid use numbers to show the location of substituents COOH COOH COOH COOH OH COOH COOH Benzoic 2-Hydroxybenzoic 1,2-Benzene- 1,4-Benzene- acid acid dicarboxylic acid dicarboxylic acid (Salicylic acid) (Phthalic acid) (Terephthalic acid)Look Back to the Nomenclature - IUPAC ™benzoic acid is the simplest aromatic carboxylic acid ™use numbers to show the location of substituents Benzoic acid 2-Hydroxybenzoic acid (Salicylic acid) C OOH C OOH OH 1,2-Benzene￾dicarboxylic acid (Phthalic acid) 1,4-Benzene￾dicarboxylic acid (Terephthalic acid) CO O H CO O H CO O H CO O H