羟基乙酸

草酸

(1-methyl-2,6,7-trioxabicyclo[2.2.2]octan-4-yl)methanol

5,5-bis(bromomethyl)-2-phenyl-1,3-dioxane

2,4,8,10-四氧杂-3,9-二硫杂螺[5.5]十一烷3,9-二氧化物