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                Oxalic acid
                Product name: Oxalic acid
                CAS NO: 144-62-7
                Molecular weight: 90.03548  
                EC NO: 205-634-3
                Molecular formula: C2H2O4
                InChI: InChI=1/C2H2O4/c3-1(4)2(5)6/h(H,3,4)(H,5,6)/p-2
                Structural formula:
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