| abstract |
PROBLEM TO BE SOLVED: To provide a compound having strong antitumor activity. The compound according to the present invention is a compound of formula (I) or a pharmaceutically acceptable salt or solvate thereof. Embedded image (Wherein X and Z represent CH or N, Y represents O or S, R 1 , R 2 , R 3 represent H, alkoxy, etc., R 4 represents H, R 5 , R 6 , R 7 and R 8 represent H, halogen, alkoxy and the like, R 9 and R 10 represent H, alkyl and the like, and R 11 represents an optionally substituted azolyl group. [Selection diagram] None |