12-(1,4,7,10-tetraoxacyclotridec-12-yl)-1,4,7,10-tetraoxacyclotridecane

15-(2-phenyl-1,3-dioxan-5-yl)-1,4,7,10,13-pentaoxacyclohexadecane

亚乙基四羧酸四乙酯

tetraethyl 1-ethoxyethane-1,1,2,2-tetracarboxylate

tetraethyl cyclobutane-1,1,2,2-tetracarboxylate