| abstract |
[PROBLEMS] To treat or prevent infection by influenza viruses (A, B and C strains including subtype A influenza virus, influenza B virus, avian strains H5N1, A / H1N1, H3N2 and / or pandemic influenza). For providing a compound that inhibits the activity of p59-HCK. A compound represented by formula (I) or a pharmaceutically acceptable salt or solvate thereof capable of inhibiting hematopoietic cell kinase (p59-HCK) activity, and a pharmaceutical comprising the compound Composition. The compound is N- (4- (4- (3- (3-tert-butyl-1-p-tolyl-1H-pyrazol-5-yl) ureido) naphthalen-1-yloxy) pyridin-2-yl)- A composition that is not 2-methoxyacetamide. [Selection figure] None |