3-({1′-[3-(Dimethylamino)propyl]-1-ethyl-4′-hydroxy-2,5′-dioxo-1,1′,2,5′-tetrahydrospiro[indole-3,2′-pyrrol]-3′-yl}carbonyl)-N,N-dimethylbenzenesulfonamide

3-({1′-[3-(Dimethylamino)propyl]-1-ethyl-4′-hydroxy-2,5′-dioxo-1,1′,2,5′-tetrahydrospiro[indole-3,2′-pyrrol]-3′-yl}carbonyl)-N,N-dimethylbenzenesulfonamide

3-({1′-[3-(Diméthylamino)propyl]-1-éthyl-4′-hydroxy-2,5′-dioxo-1,1′,2,5′-tétrahydrospiro[indole-3,2′-pyrrol]-3′-yl}carbonyl)-N,N-diméthylbenzènesulfonamide

3-({1′-[3-(Dimethylamino)propyl]-1-ethyl-4′-hydroxy-2,5′-dioxo-1,1′,2,5′-tetrahydrospiro[indole-3,2′-pyrrol]-3′-yl}carbonyl)-N,N-dimethylbenzolsulfonamid

Benzenesulfonamide, 3-[[1′-[3-(dimethylamino)propyl]-1-ethyl-1,1′,2,5′-tetrahydro-4′-hydroxy-2,5′-dioxospiro[3H-indole-3,2′-[2H]pyrrol]-3′-yl]carbonyl]-N,N-dimethyl-

1-[3-(dimethylamino)propyl]-4-({3-[(dimethylamino)sulfonyl]phenyl}carbonyl)-6-ethyl-3-hydroxyspiro[3-pyrroline-5,3′-indoline]-2,7-dione

3-(1′-(3-(dimethylamino)propyl)-1-ethyl-4′-hydroxy-2,5′-dioxo-1′,5′-dihydrospiro[indoline-3,2′-pyrrol]-3′-ylcarbonyl)-N,N-dimethylbenzenesulfonamide

3-({1′-[3-(dimethylamino)propyl]-1-ethyl-4′-hydroxy-2,5′-dioxo-1,1′,2,5′-tetrahydrospiro[indole-3,2′-pyrrole]-3′-yl}carbonyl)-N,N-dimethylbenzene-1-sulfonamide