Title: Diethyl 2,3-dihydro-thieno[3,4-b]-1,4-dioxine-5,7-dicarboxyl-ate.
Journal: Acta crystallographica. Section E, Structure reports online 20080201
Title: A substituted EDOT precursor: diethyl 3,4-dihydroxythiophene-2,5-dicarboxylate.
Journal: Acta crystallographica. Section C, Crystal structure communications 20040501