Abstract: Compounds of the formula: or pharmaceutically acceptable salts thereof, wherein m, n, X, Y, Z, Ar, R1, R2, R3, R4, R5, R6 and R7 are defined herein. Also provided are pharmaceutical compositions, methods of using, and methods of preparing the compounds.

Abstract: The present invention provides compounds of the formula: or pharmaceutically acceptable salts, solvates or prodrugs thereof, wherein p, Ar, R1, R2, R3, Ra, Rb, Rc, Rd and Re are defined herein. Also provided are pharmaceutical compositions, methods of using, and methods of preparing the compounds.

Abstract: Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genito-urinary, gastrointestinal, and respiratory disorders: wherein R1 is —C(?S)CH3, pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R2a and R2b are independently H, methyl, or ethyl; R3 is H or methyl; Y is a bond, —(CR4R5)n— or —CR4?CR5—; wherein R4 and R5 are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R6, R7 and R8 are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R6 and R7 together form a 5-membered or 6-membered carboc