Sulfonamid-derivat og medicinsk anvendelse deraf

摘要

Provided are sulfonamide derivatives of a specific chemical structure in which a sulfonamide group having, as a substituent, a phenyl group or a heterocyclic group having a hetero atom(s) as a constituent element(s) is present at its terminal, and pharmaceutically acceptable salts thereof. These compounds are novel compounds having excellent ±4 integrin-inhibitory action.