Heterocyclic compounds having sulfonamide or sulfonylurea groups, specifically heterocyclic compounds of general formula, pharmacologically acceptable salts of the same, or hydrates of both: (|) wherein A is hydrogen, halogeno, optionally halogenated C1-4 alkyl, or the like; B is optionally substituted aryl, monocyclic heteroaryl, or the like; K is a single bond or the like; T, W, X and Y are each independently =C(D) - (wherein D is hydrogen, halogeno, or the like) or nitrogen; U and V are each independently =C(D) -, nitrogen, oxygen, or the like; Z is a single bond or -CO-NH-; and R1 is hydrogen or the like.