tetraethyl cyclopropane-1,1,2,2-tetracarboxylate

顺式六氢邻苯二甲酸

乙烷-1,1,2,2-四甲酸四甲酯

tetraethyl 1,4-dihydronaphthalene-2,2,3,3-tetracarboxylate

tetraethyl dodeca-3,9-diyne-5,5,6,6-tetracarboxylate