| abstract |
(57) [Problem] To provide an excellent HSP inducer. Kind Code: A1 Formula (I): [Wherein, R 1 represents a hydrogen atom, and hydrocarbon group which may have a substituent, R 2 is an unsubstituted, a hydrogen atom or an optionally substituted hydrocarbon group, R 3 Is a heterocyclic group which may have a substituent; X, Y and Z are each hydrogen, halogen, nitrile, a hydrocarbon group which may have a substituent or the like; A ring may be taken together to form a ring, or Y and Z may be taken together to form a B ring. The bond shown by a solid line and a broken line is either a single bond or a double bond, The moiety is either a single bond or unsubstituted, ring A is a 5- to 7-membered homo- or heterocyclic ring which may have a substituent, and ring B is 5 to 7 which may have a substituent. And n is an integer of 0 or 1.] or a salt thereof. . |