| abstract |
A compound represented by the following formula, or a salt thereof or a hydrate of the foregoing, has excellent hepatocyte growth factor receptor (HGFR) inhibitory activity, and exhibits anti-tumor activity, angiogenesis inhibitory activity, and cancer metastasis inhibitory activity. n nR 1 represents a 3- to 10-membered non-aromatic heterocyclic group or the like; R 2 and R 3 represent hydrogen; R 4 , R 5 , R 6 , and R 7 may be the same or different and each represents hydrogen, halogen, C 1-6 alkyl or the like; R 8 represents hydrogen or the like; R 9 represents a 3- to 10-membered non-aromatic heterocyclic group or the like; n represents an integer of 1 or 2; X represents —CH═, nitrogen or the like. |