Benzotriazapinone salts and methods for using same

This invention relates to pharmaceutically acceptable salts of compounds of formula (I) wherein: W is N or N-O; R and R are independently H, C1 to C6 alkyl, (C1 to C6 alkyl)oxy, thio, (C1 to C6 alkyl)thio, carboxy, carboxy(C1 to C6 alkyl), formyl, (C1 to C6 alkyl)carbonyl, (C1 to C6 alkyl)oxycarbonyl, (C1 to C6 alkyl)carbonyloxy, nitro, trihalomethyl, hydroxy, hydroxy(C1 to C6 alkyl), amino, (C1 to C6 alkyl)amino, di(C1 to C6 alkyl)amino, aminocarbonyl, halo, halo(C1 to C6 alkyl), aminosulfonyl, (C1 to C6 alkyl)sulfonylamino, (C1 to C6 alkyl)aminocarbonyl, di(C1 to C6 alkyl)aminocarbonyl, [N-Z](C1 to C6 alkyl)carbonylamino, formyloxy, formamido, (C1 to C6 alkyl)aminosulfonyl, di(C1 to C6 alkyl)aminosulfonyl, [N-Z](C1 to C6 alkyl)sulfonylamino or cyano; or R and R together form a methylenedioxy group; R is an optionally substituted C1 to C18 hydrocarbyl group wherein up to three C atoms may optionally be replaced by N, O and/or S atoms. R is -(CR R )n-X_(CR R )-R ; m is 0, 1, 2, 3 or 4; p is 0, 1 or 2; X is a bond, -CR =CR -, -C=C-, C(O)NH, NHC(O), C(O)NMe, NMeC(O), C(O)O, NHC(O)NH, NHC(O)O, OC(O)NH, NH, O, CO, SO2, SO2NH, C(O)NHNH, R is H; C1 to C6 alkyl; or phenyl, naphthy