Agent: Glaxosmithkline Corporate Intellectual Property, Mai B48220090069304 - Mmp-13 selective inhibitor: (R6 and R7 are each independently halogen, lower alkyl etc.; m and n are each independently 0, 1, or 2); R2 is a hydrogen atom, optionally substituted lower alkyl etc.; R3 is a hydrogen atom, optionally substituted lower alkyl etc.; R4 is a hydrogen atom; or R3 and R4 may...