Patent ID: 7745641

Claim:
A nitrogen-containing heterocyclic compound represented by formula (I): wherein W represents —CH—; X represents —CHR 4 — (wherein R 4 represents a hydrogen atom); R 1 represents a group represented by the following formula: {wherein Q 1 represents —CR 8 — (wherein R 8 represents a hydrogen atom), Q 2 represents —NR 15 — (wherein R 15 represents a hydrogen atom), R 5 represents methyl substituted with NR 35b R 36b (wherein R 35b and R 36b may be the same or different and each represents a hydrogen atom, C 1-10 alkyl, C 1-10 alkyl substituted with hydroxy or C 1-10 alkoxy), pyrrolidin-1-ylmethyl, piperidin-1-ylmethyl, 4-(2-hydroxyethyl)piperazin-1-ylmethyl, piperazin-1-ylcarbonyl, or 4-methylpiperazin-1-yl, and R 6 represents a hydrogen atom}, R 2 represents a hydrogen atom or C 1-10 alkoxy, and R 3 represents hydroxy, halogen, or —OS(O) 2 R 24a (wherein R 24a represents C 1-10 alkyl, thienyl, pyridyl, amino, or dimethylamino), or a pharmaceutically acceptable salt thereof.