Hui Liu; Craig S. Tomooka; Simon L. Xu; Benjamin R. Yerxa; Robert W. Sullivan; Yifeng Xiong; Harold W. Moore. Dimethyl Squarate and ITS Conversion to 3-Ethenyl-4-Methoxycyclobutene-1,2-Dione and 2-Butyl-6-Ethenyl-5-Methoxy-1,4-Benzoquinone. Organic Syntheses. 1999, s. 189. doi:10.15227/orgsyn.076.0189.
John B. Paine. Esters of Pyromellitic Acid. Part I. Esters of Achiral Alcohols: Regioselective Synthesis of Partial and Mixed Pyromellitate Esters, Mechanism of Transesterification in the Quantitative Esterification of the Pyromellitate System Using Orthoformate Esters, and a Facile Synthesis of the Ortho Pyromellitate Diester Substitution Pattern. The Journal of Organic Chemistry. 2008, s. 4929–4938. doi:10.1021/jo800543w.
