Patent ID: 7601846

Claim:
A compound of formula (IA): wherein R 3 is hydrogen, halo, hydroxy, cyano, —N(R a )(R b ), —S(R a ), —NO 2 , (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, (C 2 -C 6 )alkynyl, (C 2 -C 6 )alkenyl, (C 2 -C 7 )alkanoyl, (C 2 -C 7 )alkanoyloxy, or (C 3 -C 7 )cycloalkyl, wherein R a and R b are each independently hydrogen, (C 1 -C 3 )alkyl, (C 2 -C 4 )alkanoyl, phenyl, benzyl, or phenethyl; or R a and R b together with the nitrogen to which they are attached are a 5-6 membered heterocyclic ring; wherein R 4 is —N(R a )(R b ) and wherein the —N(R a )(R b ) of R 4 is a 5-6 membered heterocyclic ring, optionally comprising 1, 2, or 3 N(R a ), non-peroxide O or S atoms; Y is —S(O) 0-2 ; n is 1, 2, 3, 4, or 5; or a pharmaceutically acceptable salt thereof.