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7-Diethyl-amino-2-oxo-2H-chromene-3-carbohydrazide. 2011

Li-Jun Zhang, and Bing-Zhu Yin
Key Laboratory of Natural Resources of Changbai Mountain, & Functional Molecules (Yanbian University), Ministry of Eduction, Yanji 133002, People's Republic of China.

The asymmetric unit of the title compound, C(14)H(17)N(3)O(3), contains two independent mol-ecules with different conformations of the ethyl groups. In the crystal, inter-molecular N-H⋯O hydrogen bonds link the mol-ecules into ribbons extending along the a axis.

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