4-HYDROXY-1,2-BENZENEDICARBOXYLIC ACID, 4-hydroxy phthalic acid 4-HPA, 3,4-DICARBOXYPHENOL, 4-hydroxyphtalic acid, 4-hydroxy-2-benzenedicarboxylicacid, 4'-hydroxyphthalic acid, 1,2-Benzenedicarboxylic acid, 4-hydroxy-, RARECHEM AL BO 0808, 4-Hydroxyphthalic acid