Patent ID: 8629149

Claim:
A compound of the formula: or a pharmaceutically acceptable salt thereof, or a stereoisomer thereof, wherein X is an optionally substituted alkylene (1-6C), alkenylene (2-6C), alkynylene (2-6C), heteroalkylene (2-6C), heteroalkenylene (2-6C), or heteroalkynylene (2-6C); n is 1 or 2; each m is, independently, an integer between 0-5; each R 1 is methyl; and each R 2 is, independently, selected from halo, CN, NO 2 , CF 3 , OCF 3 , COOR′, CONR′ 2 , OR′, SR′, SOR′, SO 2 R′, NR′ 2 , NR′(CO)R′, and NR′SO 2 R′, wherein each R′ is independently H or an optionally substituted group selected from alkyl (1-6C), alkenyl (2-6C), alkynyl (2-6C), heteroalkyl (2-6C) heteroalkenyl (2-6), and heteroalkynyl (2-6C); or each R 2 is an optionally substituted group selected from alkyl (1-6C), alkenyl (2-6C), alkynyl (2-6C), heteroalkyl (2-6C), heteroalkenyl (2-6C), or heteroalkynyl (2-6C).