Patent ID: 8481534

Claim:
A compound of Formula (I) or pharmaceutically acceptable salt thereof, wherein: HET is a heterocyclic ring having formula A7, A8, A10, A16, A17, A29 or A30 and the left most radical is connected to the X group; X is optionally substituted heterocycloalkyl, optionally substituted aryl or optionally substituted heteroaryl; Y is —CH 2 O— or —OCH 2 — with the rightmost radical of the Y group connected to the Z substituent; Z is optionally substituted heteroaryl; R 1a is hydrogen; each R 2 is independently hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl or optionally substituted alkoxyalkyl, with the proviso that at least one R 2 is hydrogen; R 3 and R 4 are independently hydrogen, C 1 -C 4 alkyl, —CF 3 or optionally substituted cycloalkyl, with the proviso that at least one R 3 or R 4 group must be hydrogen; and R 7 is hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted cycloalkylalkyl or optionally substituted alkoxyalkyl.