Crystal structure of 1′,1′′-dimethyl-4′-(4-cholorophenyl)dispiro[11<i>H</i>-indeno[1,2-<i>b</i>]quinoxaline-11,2′-pyrrolidine-3′,3′′-piperidin]-4′′-one
Acta crystallographica. Section E, Crystallographic communications