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;
Molecular formula: C6H6O4
Molecular weight: 142.10900