2,6-二羟基二环[3.3.1]壬-2,6-二烯-1,3,5,7-四羧酸四甲酯

Tetramethyl 2,6-dioxobicyclo[1.3.3]nonane-1,3,5,7-tetracarboxylate

Ethyl-2.6-dioxobicyclo[3.3.1]nonan-1-carboxylat

bicyclo[3.3.1]nonane-2,6-diol