1) Iida, H.; Hayashida, K.; Yamada, M.; Takahashi, K.; Yamada, K.; Syn. Commun. 1973, 3(3), 225-30, DOI:10.1080/00397917308062041 ; Synthesis of 2,5-Dimethylpyrazine-3,6-Dicarboxylic Acid Derivatives
2) Huang, Y.; Tu, W.; Yuan, Y.; Fan, D.; Tetrahedron 2014, 70(6), 1274-1282, DOI: 10.1016/j.tet.2013.12.060 ; Novel organogelators based on pyrazine-2,5-dicarboxylic acid derivatives and their mesomorphic behaviors