ChemInform Abstract: Five-Membered 2,3-Dioxo Heterocycles. Part 74. Recyclization of 3-Aroylpyrrolo[1,2-a]quinoxaline-1,2,4(5H)-triones (I) by the Action of Benzohydrazides. Crystalline and Molecular Structure of N-[2,4-Dihydroxy-5-oxo-3- (3-oxo-3,4-dihydroquinoxalin-2-yl)-2-phenyl-2,5-dihydro-1H-pyrrol-1-yl] benzamide.

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