4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aR,4S,7R,7aS)-rel-
7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride, exo-
4,7-Epoxyisobenzofuran-1,3-dione, 3a,4,7,7a-tetrahydro-, (3aα,4β,7β,7aα)-
rel-(3aR,4S,7R,7aS)-3a,4,7,7a-Tetrahydro-4,7-epoxyisobenzofuran-1,3-dione
exo-cis-3,6-Endoxo-Δ4-tetrahydrophthalic anhydride
7-Oxabicyclo[2.2.1]hept-5-ene-2,3-exo-dicarboxylic anhydride
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic anhydride
exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride
(exo,exo)-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride
5,6-Dehydronorcantharidin
NSC 144085
exo-3,6-Epoxy-1,2,3,6-tetrahydrophthalic acid anhydride
exo-7-Oxabicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic acid anhydride
exo-5,6-Dehydronorcantharidin
exo-7-Oxanorbornene-5,6-dicarboxylic anhydride
exo-7-Oxanorbornene-2,3-dicarboxylic anhydride