| abstract |
An agent for inducing HSP, comprising a compound represented by the formula (I): n n n wherein R 1 is a hydrogen atom, a hydrocarbon group which may be substituted, etc.; R 2 is absent, a hydrogen atom or a hydrocarbon group which may be substituted; R 3 is a heterocyclic group which may be substituted; X, Y and Z are, respectively, a hydrogen, a halogen, a nitrile, a hydrocarbon group which may be substituted, or X and Y may bind to each other to form ring A, or Y and Z may bind to each other to form ring B; bond portions indicated by a solid line and a broken line are, respectively, a single bond or a double bond, and bond portions indicated by a broken line are, respectively, a single bond or absent; ring A is a homocyclic or heterocyclic 5- to 7-membered ring which may be substituted; ring B is a homocyclic or heterocyclic 5- to 7-membered ring which may be substituted; and n is an integer of 0 or 1, n or a salt thereof; |