Patent ID: 7759367

Claim:
A pharmaceutical composition comprising I) a compound represented by the following formula or a salt thereof: wherein, Q indicates O; R 1 indicates X 1 -A 1 ; R 2 indicates X 2 -A 2 ; R 3 indicates hydrogen; R 4 indicates X 3 -A 3 ; and R 5 indicates hydrogen, wherein X 1 , X 2 , and X 3 each indicates a single bond and A 1 , A 2 , and A 3 are the same as or different from each other and each indicates a C 6-14 aromatic hydrocarbocyclic group or a 5 to 14 membered aromatic heterocyclic group, wherein each of A 1 , A 2 , and A 3 is optionally substituted with a hydroxyl group, a halogen atom, an amino group, or a nitrile group; and II) β-interferon.