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Title
The crystal structure of 2-amino-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydro-4 H-chromene-3-carbonitrile, C<sub>16</sub>H<sub>13</sub>N<sub>3</sub>O<sub>4</sub>.
C16H13N3O4, monoclinic, C2/ c (No. 15), a = 13.8536(12) Å, b = 11.0922(7) Å, c = 20.432(2) Å, β = 108.491(10)°, V = 2977.6(4) Å3, Z = 8, Rgt (F) = 0.0533, wRref (F2) = 0.1452, T = 293(2) K.