C(C1C(C)=C([N+]([O-])=O)C=CC=1C)C.[CH2:14]([C:16]1[C:21]([CH3:22])=[CH:20][CH:19]=[C:18]([N+:23]([O-])=O)[C:17]=1[CH2:26][C:27](=O)[C:28]([OH:30])=[O:29])[CH3:15]>>[CH2:14]([C:16]1[C:21]([CH3:22])=[CH:20][CH:19]=[C:18]2[C:17]=1[CH:26]=[C:27]([C:28]([OH:30])=[O:29])[NH:23]2)[CH3:15]The compound was prepared via 3-ethyl-2,4-dimethylnitrobenzene (b.p. 141°-145° C/11mm Hg) and 3-(2-ethyl-3-methyl-6-nitrophenyl)-pyruvic acid (m.p. 135° C (decomp.).
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