Patent ID: 7358251

Claim:
A compound of formula (I) or a therapeutically acceptable salt thereof, wherein A is piperidinyl; R 1 is selected from the group consisting of alkyl, cyano, halo, haloalkyl, and nitro; R 2 is —NR 5 R 6 ; R 3 is hydrogen; R 4 is selected from the group consisting of aryl, cycloalkyl and heterocycle; R 5 is arylsulfinylalkyl; R 6 is selected from the group consisting of hydrogen, alkenyl, alkoxyalkyl, alkoxycarbonylalkyl, alkyl, alkylsulfanylalkyl, alkylsulfonylalkyl, aryl, arylalkyl, arylalkylsulfanylalkyl, aryloxyalkyl, arylsulfanylalkyl, arylsulfinylalkyl, arylsulfonylalkyl, carboxyalkyl, cycloalkenyl, cycloalkenylalkyl, cycloalkyl, (cycloalkyl)alkyl, cycloalkylcarbonyl, heterocycle, (heterocycle)alkyl, (heterocycle)sulfanylalkyl and hydroxyalkyl; and R 15 is hydrogen; wherein, at each occurrence, aryl is phenyl or naphthyl and heterocycle is morpholine, piperazine, piperidine, pyrrolidine, tetrahydrofuran or tetrahydrothiophene.