title: 5-(2,5-Dioxooxolan-3-yl)-8-methyl-3,3a,4,5-tetra-hydro-1H-naphtho-[1,2-c]furan-1,3-dione.
abstract: In the title compound, C(17)H(14)O(6), the dihedral angle between the two anhydride rings is 76.01 (8)°while the dihedral angles between the benzene and anhydride rings are 42.60 (7) and 68.94 (7)°. The cyclo-hexene ring of the tetra-hydro-naphthalene unit exhibits an envelope conformation.
authors: Laboratory of Advanced Polymer Materials, Institute of Chemistry, Chinese Academy of Sciences (ICCAS), Beijing 100190,  People's Republic of China.
authors: Y Z
authors: YZ
authors: Guo
authors: J G
authors: JG
authors: Liu
authors: S Y
authors: SY
authors: Yang