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

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

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

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

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

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

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

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