Patent ID: 9309253
Filing Date: 2016-04-12
CPC Classification: A61K,A61P,C07C,C07D,C12N

Claim Text:
1. A compound of formula (I): wherein R1 is hydrogen, halogen or an optionally substituted group selected from amino, straight or branched C R2 is a group selected from —NR″R′″, —N(OR′″)R″ and OR″, wherein R″ and R′″ are, each independently, hydrogen or an optionally substituted group selected from straight or branched C R3 is hydrogen or optionally substituted group selected from straight or branched C R4 is hydrogen or an optionally substituted group selected from straight or branched C X is a single bond or a divalent radical selected from —NR′—, —CONR′—, —NH—CO—NH—, —O—, —S—, —SO A is —(CH or a pharmaceutically acceptable salt thereof.