Yu, Lijuan 1,3-Dimethyl-5,6,7,8-tetra-hydro-4H-cyclo-hepta-[c]thio-phene-4,8-dione. [electronic resource] - Acta crystallographica. Section E, Structure reports online Nov 2010 - o3231 p. digital Publication Type: Journal Article ISSN: 1600-5368 Standard No.: 10.1107/S1600536810047331 doi