3-(2,6-dimethylanilino)oxolan-2-one

methyl 2-(2-oxooxolan-3-yl)oxybenzoate

3-(2-nitrophenoxy)oxolan-2-one

2-[methyl-(2-oxooxolan-3-yl)amino]benzoic acid

3-[5-bicyclo[2.2.1]hept-2-enyl(hydroxy)methyl]oxolan-2-one