Abstract: Disclosed are compounds of Formula (1), tautomers thereof, and pharmaceutically acceptable salts of the compounds or tautomers, wherein L, R1, R2, R3, R4 and R5 are defined in the specification. This disclosure also relates to materials and methods for preparing compounds of Formula (1), to pharmaceutical compositions which contain them, and to their use for treating diseases, disorders or conditions associated with MRGX2.

Abstract: This invention relates to piperazine and piperidine biaryl compounds of Formula (I): or a pharmaceutically acceptable prodrug, salt, polymorph, solvate, enantiomer, diastereomer, racemate, mixture of stereoisomers thereof, or derivative thereof; and to processes for preparing the compounds or pharmaceutical compositions containing the same. The compounds and pharmaceutical compositions of the present invention are provided for use in the treatment of HIV infection and/or AIDS.