Patent ID: 6929361

Claim:
A new anthrapyridone compound represented by the following formula (14): wherein R represents a hydrogen atom, an alkyl group, a hydroxy lower alkyl group, a cyclohexyl group, mono- or dialkylaminoalkyl group or a cyano lower alkyl group; Y represents a chlorine, a hydroxyl group, an amino group, mono- or dialkylamino group (optionally substituted with a substituent selected from the group consisting of a sulfonic acid group, a carboxy group and a hydroxyl group on an alkyl group), an aralkylamino group, a cycloalkylamino group, an alkoxy group, a phenoxy group (optionally substituted with the substituent selected from the group consisting of a sulfonic acid group, a carboxy group, an acetylamino group, an amino group and a hydroxyl group), an anilino group (optionally substituted with one or two substituents selected from the group consisting of a sulfonic acid group and a carboxy group on a benzene ring), a naphthylamino group (wherein a naphthyl group is optionally substituted with a sulfonic acid group), or mono- or dialkylaminoalkylamino group; X represents a connecting group; or the salt thereof.