methyl-5-hydroxy-dinaphthol(1,2-2',3')-furan-7,12-dione-6-carboxylate
methyl-5-hydroxy-dinaphthol(1,2-2',3')-furan-7,12-dione-6-carboxylate
methyl-5-hydroxy-dinaphthol(1,2-2',3')-furan-7,12-dione-6-carboxylate
methyl-5-hydroxy-dinaphthol(1,2-2',3')-furan-7,12-dione-6-carboxylate