Patent ID: 8435990

Claim:
A compound of formula IIIa or IIIb: or a pharmaceutically acceptable salt thereof, wherein: R 6 is: bromo or methyl; R 8 is: hydrogen; methoxy; or halo; R 9 is: methoxy; 2-hydroxy-ethoxy; 5-methyl-1H-pyrazol-3-yl; 4-methyl-pyrazol-1-yl; 4,5-dimethyl-4H-[1,2,4]triazol-3-yl; 2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl; 2H-pyrazol-3-yl; 1-((R)-2-hydroxy-3-methoxy-propyl)-5-methyl-1H-pyrazol-3-yl; 4-((R)-2-hydroxy-3-methoxy-propyl)-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl; 6-oxo-6H-pyridazin-1-yl; 3-methyl-6-oxo-6H-pyridazin-1-yl; 6-oxo-1,6-dihydro-pyrazin-2-yl; 2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl); 4-methyl-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl; 1-((S)-2-hydroxy-3-methoxy-propyl)-5-methyl-1H-pyrazol-3-yl; 2-ethyl-3-oxo-2,3-dihydro-pyridazin-4-yl); 1-methyl-6-oxo-1,6-dihydro-pyridazin-3-yl; 6-oxo-1,6-dihydro-pyridazin-3-yl; 2-((R)-2-hydroxy-3-methoxy-propyl)-3-oxo-2,3-dihydro-pyridazin-4-yl; 2-oxo-pyrrolidin-1-yl; 2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-y; 3-methyl-2-oxo-2H-pyridin-1-yl; 2-oxo-2H-pyridin-1-yl; 6-methoxy-pyridazin-3-yl; 2,6-dioxo-3,6-dihydro-2H-pyrimidin-1-yl; (2-hydroxy-ethyl)-6-oxo-1,6-dihydro-pyridazin-3-yl; 1-methyl-2-oxo-1,2-dihydro-pyridin-3-yl; (2-hydroxy-3-methoxy-propyl)-6-oxo-1,6-dihydro-pyridazin-3-yl; 6-oxo-6H-pyridazin-1-yl; 4-ethyl-3,5-dioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl; 3-methyl-2-oxo-2H-pyridin-1-yl; 4-methyl-6-oxo-6H-pyridazin-1-yl; 2-methyl-5-(3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl; 2-methyl-5-(5-methyl-2-oxo-2H-pyridin-1-yl; 2-methyl-3-oxo-2,3-dihydro-pyridazin-4-yl; or 1-methyl-6-oxo-1,6-dihydro-pyridin-3-yl; R 11 is halo.