2-(2-carboxypropan-2-yloxy)-2-methylpropanoic acid

2,2,4,5-tetramethylfuran-3-one

2,2,4,4-tetramethyloxetane-3-carboxylic acid

(2,2,4,4-tetramethyloxetan-3-yl)methanol

(2,2,4,4-tetramethyloxetan-3-yl)methyl 4-methylbenzenesulfonate