| English name: 3,4-Dimethoxy-3-cyclobutene-1,2-dione English alias: Squaric Acid Dimethyl Ester; Dimethyl Squarate; 3,4-dimethoxycyclobut-3-ene-1,2-dione; 3,4-DiMethoxy-3-cyclobutene-1,2-dione; CAS No. 5222-73-1 Molecular formula: C6H6O4 Molecular weight: 142.10900 |