Acta Cryst. (2013). E69, o99
[ doi:10.1107/S1600536812050581 ]

rac-Ethyl 2-hydroxy-2,7,7-trimethyl-4-(4-nitrophenyl)-5-oxo-3,4,5,6,7,8-hexahydro-2H-chromene-3-carboxylate

A. M. Maharramov, A. I. Ismiev, B. A. Rashidov, R. K. Askerov and K. A. Potekhin

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