| abstract |
Disclosed is a method for treating the symptoms of an acute or chronic disorder mediated by the classical pathway of the complement cascade, comprising administering to a mammal in need of such treatment a therapeutically effective amount of a compound of Formula I n nor a solvate, hydrate or pharmaceutically acceptable salt thereof; wherein R 1 , R 2 , R 3 , R 4 and R 7 are defined in the specification, Z is SO or SO 2 , and Ar is an aromatic or heteroaromatic group as defined herein. |