1 6TV ~{N}-[2-(propylamino)ethyl]isoquinoline-5-sulfonamide 1.000 2 IQS N-[2-(methylamino)ethyl]-5-isoquinolinesulfonamide 0.900 3 IQU N-(2-aminoethyl)isoquinoline-5-sulfonamide 0.762 4 7CT ~{N}-methylisoquinoline-5-sulfonamide 0.750 5 IQB N-[2-(4-bromocinnamylamino)ethyl]-5-isoquinoline sulfonamide 0.741 6 P4W ~{N},~{N}-dimethylisoquinoline-5-sulfonamide 0.714