Patent ID: 8658803

Claim:
A compound represented by Formula II, its enantiomers, diastereoisomers, tautomers, or a pharmaceutically acceptable salt thereof, wherein: a is 1 and b is 0; R 1 is optionally substituted C 1-8 alkyl, optionally substituted C 3-8 cycloalkyl, optionally substituted heterocycle, optionally substituted C 6-10 aryl, optionally substituted C 3-8 cycloalkenyl, —NR 11 R 12 or —OR 13 ; R 2 is optionally substituted C 1-8 alkyl or optionally substituted C 6-10 aryl; R 3 is hydrogen, optionally substituted C 1-8 alkyl, halogen, —COOR 15 , —OR 13 , —NR 11 R 12 , NO 2 , optionally substituted heterocycle, optionally substituted C 3-8 cycloalkyl, optionally substituted C 6-10 aryl or optionally substituted C 3-8 cycloalkenyl; R 4 is hydrogen, optionally substituted C 1-8 alkyl, halogen, —COOR 15 , —OR 13 , —NR 11 R 12 , NO 2 , optionally substituted heterocycle, optionally substituted C 3-8 cycloalkyl, optionally substituted C 6-10 aryl or optionally substituted C 3-8 cycloalkenyl; R 5 is halogen; R 6 is hydrogen, optionally substituted C 1-8 alkyl, halogen, —COOR 15 , —OR 13 , —NR 11 R 12 , NO 2 , optionally substituted heterocycle, optionally substituted C 3-8 cycloalkyl, optionally substituted C 6-10 aryl or optionally substituted C 3-8 cycloalkenyl; R 7 is hydrogen, optionally substituted C 1-8 alkyl, halogen, —COOR 15 , —OR 13 , —NR 11 R 12 , NO 2 , optionally substituted heterocycle, optionally substituted C 3-8 cycloalkyl, optionally substituted C 6-10 aryl or optionally substituted C 3-8 cycloalkenyl; R 8 is hydrogen, optionally substituted C 1-8 alkyl or optionally substituted C 6-10 aryl; R 9 is hydrogen; R 10 is hydrogen; R 11 is hydrogen or optionally substituted C 1-8 alkyl; R 12 is hydrogen; R 13 is hydrogen or optionally substituted C 1-8 alkyl; R 15 is hydrogen or optionally substituted C 1-8 alkyl; with the provisos: a) when a=1 and b=0 then: R 11 is not: the compound of Formula II is not of structure: