Novel salt of heterocyclic compound as protein kinase inhibitor and use thereof

The present invention relates to a novel salt of a heterocyclic compound as a protein kinase inhibitor and a use thereof. The novel salts are excellent in water solubility as well as physical and chemical stability, and thus can be usefully used in the formulation of pharmaceutical products. In addition, the heterocyclic compound or the salt thereof can effectively treat and prevent atopic dermatitis and inflammatory bowel disease. 本发明涉及一种作为蛋白激酶抑制剂的杂环化合物的新型盐及其用途。该新型盐在水溶性以及物理和化学稳定性方面极佳，并因此可有用地用于配制医药产品。此外，该杂环化合物或其盐可有效地治疗和预防特应性皮炎和炎性肠病。