Patent ID: 9365539
Filing Date: 2016-06-14
CPC Classification: A61P,C07D

Claim Text:
1. A compound of structural formula I-1 or I-2: or a pharmaceutically acceptable salt thereof; wherein “a” is absent; X is independently selected from N and CR each R each R wherein each alkyl is unsubstituted or substituted with one to three substituents selected from R each R wherein each CH each R each R wherein each alkyl is unsubstituted or substituted with one to three substituents selected from R each R each R wherein alkyl can be substituted with one to three fluorines; each R each R each R wherein alkyl can be substituted with one to three fluorines; each R n is selected from 0, 1, 2, and 3; r is selected from 0, 1, 2, 3 and 4; s is selected from 0, 1, 2 and 3; and t is selected from 0, 1, 2 and 3.