ANGIOGENESIS INHIBITORS

摘要

Neovascularization inhibitors containing compounds of the general formula (I I) or salts thereof are useful as preventive and therapeutic drugs for tumors a nd so on, wherein R4 is an optionally substituted hydrocarbon group or the like ; Xa is a free valency or the like; k is an integer of 1 to 3; Ya is oxygen or the like; ring Ea is a benzene ring which may have an additional substituent ; p is an integer of 1 to 8; R5 is hydrogen or the like; q is an integer of 0 to 6; r is 0 or 1; R8 is hydroxyl or the like; and R6 and R7 are each hydrogen or the like.