4-[(3,5-dimethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)methyl]-1,2,3,10-tetrahydroacridine-9-carboxylic acid
4-[(3,5-dimethoxy-4-oxo-1-cyclohexa-2,5-dienylidene)methyl]-1,2,3,10-tetrahydroacridine-9-carboxylic acid