| 摘要 |
The present invention provides an ink composition with high ozone resistance, particularly, initial stage ozone resistance, little discoloration and excellent light stability, an inkjet printing ink, an inkjet printing method and an azo compound by means of an ink composition containing a water-soluble dye represented by general formula (1), an inkjet printing ink, an inkjet printing method and an azo compound represented by general formula (1) in the Specification. |
