Patent ID: 7595325

Claim:
A compound of the formula 1 wherein: L is —N(R)S(O) 2 —; or —N(R)C(O)N(R)—; wherein each R is H; each of R 1 and R 2 is independently H, or (C 1 -C 6 )alkyl; R 3 is H, (C 1 -C 6 )alkyl, or (C 1 -C 6 )alkoxy; R 4 is H, (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —(CR 5 R 6 ) t (C 6 -C 10 )aryl, —(CR 5 R 6 ) t (C 2 -C 10 )heteroaryl, or(C 3 -C 8 )heterocycloalkyl, wherein t is an integer from 0 to 6; and each of the aforesaid (C 1 -C 6 )alkyl, (C 3 -C 8 )cycloalkyl, —(CR 5 R 6 ) t (C 6 -C 10 )aryl, —(CR 5 R 6 ) t (C 2 -C 10 )heteroaryl, and (C 3 -C 8 )heterocycloalkyl groups is independently optionally substituted with 1 to 5 R 9 groups; each of R 5 and R 6 is independently selected from H and (C 1 -C 6 )alkyl; each R 9 is independently halo, cyano, trifluoromethoxy, trifluoromethyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, or —(CR 5 R 6 ) t OR 10 , t is independently an integer from 0 to 6; any of the aforesaid —(CR 5 R 6 ) t moiety may optionally include a carbon-carbon double or triple bond; and R 10 is independently hydrogen or (C 1 -C 6 )alkyl; or a pharmaceutically acceptable salt thereof.