4-Methyl-3a,4,7,7a-tetrahydro-4,7-epoxyisobenzofuran-1,3-dione
3-Methylbenzoic anhydride
3A-methyl-3a,4,7,7a-tetrahydro-4,7-methanoisobenzofuran-1,3-dione
2-Methylbutanoic anhydride
3-(4-Chlorophenyl)furan-2,5-dione
3,4,5-Trimethoxybenzoic anhydride
5,6-Dimethyl-3a,4,7,7a-tetrahydroisobenzofuran-1,3-dione
2,3-Dihydro-[1,4]dithiino[2,3-c]furan-5,7-dione
4-(4-Methoxyphenyl)dihydro-2h-pyran-2,6(3h)-dione
Methyl 4-acetyltetrahydro-2H-pyran-4-carboxylate
3-(O-tolyl)dihydrofuran-2,5-dione
3-(M-tolyl)dihydrofuran-2,5-dione
3-(Benzo[d][1,3]dioxol-5-yl)dihydrofuran-2,5-dione
3-Oxabicyclo[3.3.1]nonane-2,4-dione
3-Benzyloxolane-2,5-dione
Benzyl n-[(3S)-2,6-dioxooxan-3-yl]carbamate
3,3,3-Trifluoropropanoyl 3,3,3-trifluoropropanoate
2,7-Dioxaspiro[4.4]nonane-1,3-dione
4-Phenyloxane-2,6-dione
4-Oxatricyclo[5.2.2.0,2,6]undecane-3,5-dione