halogen; C1-6 alkyl; C2-7alkenyl; C2-7alkynyl; C6-10aryl; C6-10heteroaryl; OR; NR8R10 (wherein R8 and R10 may be the same or different and are H, C1-6alkyl, C3-8cycloalkyl, C6-10aryl, or C8-10arylC1-6alkyl); NROR; C(O)NR9R10; C(O)OR; C(O)R; NRC(O)NR9R10 NRC(O)R; NRC(O)OR; CR(OH)R; OC(O)R; S(O)nR wherein R is other than H and n is 0, 1 or 2; NRS(O)mR wherein R is other than H and m is 1 or 2; S(O)2