3,6-Dimethyl-1-phenyl-4-(2-thienyl)-8-(2-thienylmethylene)-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-b][1,6]naphthyridine

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4-[(1-Hydroxy-2-naphthyl)methyleneamino]-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one

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