1′-Methyl-4′-(4-methyl­phen­yl)dispiro­[1-benzopyran-3(4H),3′-pyrrolidine-2′,3′′-indoline]-2,2′′-dione

Figure 3 View of supramolecular zig zag chain in (I) with N-H

O (blue dashed lines) and C-H

O (red dashed lines) hydrogen bonds along the c axis. [Colour code: O(red), N(blue), C(black) & H(green).