Ethyl 1,3,10,12-tetraphenyl-19,20-dioxahexacyclo[10.6.1.1<sup>3,10</sup>.0<sup>2,11</sup>.0<sup>4,9</sup>.0<sup>13,18</sup>]icosa-4(9),5,7,13(18),14,16-hexaene-2-carboxylate
Acta crystallographica. Section E