7,9-substituted tetracycline compounds

The present invention relates to novel 7,9-substituted tetracycline compounds. These tetracycline compounds, for example, to treat numerous tetracycline compound-responsive states, such as bacterial infections and neoplasms, other known applications of general minocycline, for example, to block the discharge of tetracycline, the gene expression in applications such as regulating, it can be used.