Patent ID: 9242938
Filing Date: 2016-01-26
CPC Classification: A61P,C07D

Claim Text:
1. A Compound of formula I: or stereoisomers, pharmaceutically acceptable salts or solvates thereof, wherein R1 is one or more groups selected from the group consisting of hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, nitro, cyano, amino, hydroxyl, C1-6 haloalkyl, and C1-6 haloalkoxy; R2 is selected from the group consisting of hydrogen, C1-6 alkyl, C1-6 alkoxy, C1-6 haloalkyl, and C1-6 haloalkoxy; R3 and R4 are each independently selected from the group consisting of hydrogen, halogen, C1-6 alkyl, C1-6 alkoxy, nitro, cyano, amino, hydroxyl, C1-6 haloalkyl, and C1-6 haloalkoxy.