| abstract |
[Problem] To provide a novel triazine derivative.n[Solution] A triazine derivative represented by formula (I) or a pharmaceutically acceptable salt thereof.n(In the formula, R 1 represents an optionally substituted aryl group, an optionally substituted heterocyclic ring, an optionally substituted heterocyclic fused ring or an optionally substituted alkynyl group; R 2 represents a hydrogen atom, a halogen atom, an optionally substituted lower alkyl group or an optionally substituted alkoxy group; R 3 represents an optionally substituted aryl group, an optionally substituted heterocyclic ring or an optionally substituted heterocyclic fused ring; R 4 represents a hydrogen atom, an optionally substituted lower alkyl group, an optionally substituted alkoxy group, an optionally substituted amino group or a halogen atom; and R 5 represents a hydrogen atom or an optionally substituted lower alkyl group, or alternatively, R 5 may combine with R 1 and form an optionally substituted, five- or six-membered, saturated or unsaturated ring, thereby forming a polycyclic fused ring.) |