... Many biologically active sulfonamide agents have been synthesized so far and reported in the journal or patent literatures. ... deuteriochloroform): Ô 1.36 (3H, t, J = 7.1 Hz, CH3), 2.78 (3H, s, N-CH3), 3.10 (3H, s, N-CH3), 4.32 (2H, q, J = 7.1 Hz ... Heterocyclic Chem., 27, 807 (1990). ...