CRYSTAL AND MOLECULAR STRUCTURE OF 2-[(4-NITROPHENYL)CARBONYL]CYCLOHEX-1- ENE-1-YL 4-NITROBENZOATE Article Polyakova I.N., Egorova O.A., Sergienko V.S., Tarasova L.Yu., Davydov V.V. Crystallography Reports. Vol. 56. 2011. P. 270-273