1,3-二氢-2-苯并噻吩-1,3-二酮

diethyl 4-bromobenzene-1,3-dicarboxylate

2-(2,2-二乙氧基乙氧基)-1,1-二乙氧基乙烷

cis-2,6-diethoxy-1,4-dioxane

2,6-Diethoxy-[1,4]dioxane