A triclinic polymorph of methyl (3R,3′S)-1′,1′′-dimethyl-2,2′′-dioxodispiro­[indoline-3,2′-pyrrolidine-3′,3′′-indoline]-4′-carboxyl­ate

Ganesh, G.; Yuvaraj, P.S.; Divakara, C.; Reddy, B.S.R.; SubbiahPandi, A.

doi:10.1107/S160053681204706X

Figure 2 A view of the hydrogen bonds (dotted lines) in the crystal structure of the title compound. H atoms non-participating in hydrogen- bonding were omitted for clarity.