Patent ID: 8362018

Claim:
The compound of Formula(VA) or Formula (VB) below: wherein R 2 , R 4 and R 5 are independently selected from H, methyl and ethyl; R 6a is SO 2 R 8 ; R 7a is selected from OH, OCH 3 , halogen, NH 2 , CH 2 —OH and NHCOR 8 ; each R 7b is selected from OH, halogen, CN, NO 2 , C 1 -C 6 alkyl, C 1 -C 6 alkoxy, substituted C 1 -C 6 alkoxy, CF 3 , OCF 3 , C 1 -C 6 alkyl-OH, NHSO 2 R 9 , NHCOR 8 , and NR 9 R 10 ; R 8 is selected from C 1 -C 6 alkyl, or NR 9 R 10 ; R 9 and R 10 are each independently selected from H and C 1 -C 6 alkyl; and c is 0 or 1; or a pharmaceutically acceptable salt thereof; wherein substituted C 1 -C 6 alkoxy refers to OCF 3 , OCH 2 CF 3 , OCH 2 Ph, OCH 2 -cyclopropyl, OCH 2 CH 2 OH, or OCH 2 CH 2 NMe 2 .