Nitrogen-containing aromatic derivatives

摘要

A compound represented by the general formula: wherein X₁ represents a nitrogen atom or a group represented by the formula -CR₁₀-; X₂ represents a nitrogen atom or a group represented by the formula -CR₁₁-; Y represents an oxygen atom or the like; R₁ represents a C_1-6 alkoxy group, an optionally substituted C_6-10 aryloxy group, a group represented by the formula -NR_12aR_12b or the like; R₂ represents a hydrogen atom, an optionally substituted C_1-6 alkyl group, or the like; R₃, R₄, R₅, R₆, R₇, R₈, R₁₀ and R₁₁ each independently represent a hydrogen atom, a halogen atom, an optionally substituted C_1-6 alkyl group, or the like; R₉ represents a group represented by the formula -NR_16aR_16b or the like; and R_12a, R_12b, R_16a and R_16b each independently represent a hydrogen atom, an optionally substituted C_1-6 alkyl group, or the like, a salt thereof, or a hydrate of the foregoing.