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Oxalic acid (COOH)2 - Formula, Properties, Structure & Uses …
Oxalic acid - NIST Chemistry WebBook
Oxalic Acid | (COOH)2 | CID 971 - PubChem
Oxalic acid - Wikipedia
File : Oxalic acid.svg - Wikimedia
Oxalic acid | C2H2O4 - ChemSpider
File:Oxalic acid.png - Wikimedia Commons
Oxalic Acid - Encyclopedia.com
Category:Oxalic acid - Wikimedia Commons
Structure of Oxalic acid (C2H2O4) - Mol-Instincts