Patent ID: 8846700
Filing Date: 2014-09-30
Classification: A61K,A61P,C07D

Abstract:
1. A compound represented by a formula (I): wherein the A ring represents a pyrazinyl group, which may have one or two substituent groups selected from the group consisting of lower alkyl, lower alkoxy, halogen, hydroxy, and C the B ring represents a 5- or 6-membered heteroaryl group having 1-3 identical or different hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms; R represents a substituent group selected from the group consisting of lower alkyl, lower alkoxy, halogen, hydroxy and lower alkyl having 1-3 identical or different substituent groups selected from the group consisting of: lower alkoxy groups, halogen atoms or hydroxy groups; k represents an integer of from 0 to 3; R wherein R any carbon atom in (CH the nitrogen atom to which R m represents an integer of from 2 to 6, a group represented by a formula (II-2) wherein: R n represents an integer of from 1 to 6; upon R a group represented by a formula (II-3) wherein R p represents an integer of from 2 to 6; and R a group represented by a formula (II-4) wherein: R q represents an integer of from 2 to 6; and R R r represents an integer of from 0 to 3, or a pharmaceutically acceptable salt thereof.