organic compounds
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In the title compound, C21H21ClN6O2·C2H6O, a member of the insecticidal active neonicotinoid group of compounds, the 1,4-dihydropyridine ring adopts a boat conformation. An intramolecular C—HO hydrogen bond occurs while the components are linked by an N—HO interaction. The crystal packing is stablized by O—HN hydrogen bonds and C—HO interactions.