Patent ID: 8349838
Filing Date: 2013-01-08
Classification: A61K,A61P,C07D

Abstract:
1. A compound of formula (I): wherein: A is ═C(H)— or ═N—; R or R each R each R as an isolated stereoisomer or mixture thereof, or a pharmaceutically acceptable salt thereof; provided that the compound of formula (I) is not a compound selected from the group consisting of: 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N