Name：5,8-dimethoxy-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-carbaldehyde
Chemical Formula: C13H12O5
Molecular Weight: 248.2340
m/z: 248.0685 (100.0%), 249.0718 (14.1%), 250.0727 (1.0%)
Elemental Analysis: C, 62.90; H, 4.87; O, 32.23
Name：5,8-dimethoxy-1,4-dioxo-1,2,3,4-tetrahydronaphthalene-2-carbaldehyde
Chemical Formula: C13H12O5
Molecular Weight: 248.2340
m/z: 248.0685 (100.0%), 249.0718 (14.1%), 250.0727 (1.0%)
Elemental Analysis: C, 62.90; H, 4.87; O, 32.23
