IUPAC: 7-acetyl-6-ethyl-3,5,8-trihydroxy-9,10-dioxo-9,10-dihydroanthracene-1,2-dicarboxylic acid

SMILES: CCc1c(O)c2C(=O)c3cc(O)c(C(O)=O)c(C(O)=O)c3C(=O)c2c(O)c1C(C)=O