Tricyclic fused heterocyclic compound, process for preparing it and medicament comprising it

The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula, a pharmacologically acceptable salt thereof or hydrates thereof, ##STR1##

wherein

R² is a hydrogen atom, etc.; R³ is a hydrogen atom, etc.; the partial structure - - - represents a single or double bond; M represents a hydrogen atom, a halogen atom or a C_1-6 alkyl group; R⁷ represents a hydrogen atom or a C_1-6 alkyl group; and W represents a phenyl group, pyridyl group, thienyl group, or furyl group, each being optionally substituted; and a pharmacologically acceptable salt thereof or hydrates thereof.