4-(3-Methyl-4,5-dihydro-1<i>H</i>-benzo[<i>g</i>]indazol-1-yl)benzenesulfonamide

In the title compound, C(18)H(17)N(3)O(2)S, the aromatic ring bearing the sulfamide unit is aligned at 61.65 (1)° with respect to the pyrrole ring; its amino group forms N-H⋯N and N-H⋯O hydrogen bonds to neighboring mol-ecules, generating sheets in the ac plane.