Immunomodulating oxopyrrazolocinnolines as CD80 inhibitors
N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide is a CD80 antagonist, useful in the treatment of diseases which benefit from immuno-inhibition.
1. N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide or a salt thereof.
2. A compound as claimed in claim 1 in the form of the (R)-enantiomer.
3. A pharmaceutical or veterinary composition comprising N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide or a salt thereof together with a pharmaceutically or veterinarily acceptable excipient or carrier.
4. A pharmaceutical or veterinary composition according to claim 3 comprising N-(1-Aza-bicyclo[2.2.2]oct-3-yl)-4-(6,9-difluoro-3-oxo-1,3-dihydro-pyrazolo[4,3-c]cinnolin-2-yl)-benzamide or a salt thereof in an amount to treat conditions which benefit from immunomodulation.