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6'-Amino-3'-methyl-2-oxo-1'-phenyl-1',3a',4',7a'-tetra-hydrospiro-[1H-indole-3(2H),4'-pyrano[2,3-d]pyrazole]-5'-carbonitrile. 2007

S Etti, and G Shanthi, and G Shanmugam, and P T Perumal

In the crystal structure of the title compound, C(21)H(15)N(5)O(2), the planar indolone unit and the pyran ring are almost perpendicular to each other [dihedral angle = 89.41 (2)°], and the pyrazole and phenyl rings are oriented at an angle of 25.74 (1)°. The mol-ecular packing is stabilized by inter- and intra-molecular C-H⋯O, N-H⋯O and C-H⋯π hydrogen bonds.

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