Methyl 11-hydroxy-9-[1-(4-methoxyphenyl)-4-oxo-3-phenylazetidin-2-yl]-18-oxo-10-oxa-2-azapentacyclo[9.7.0.0<sup>1,8</sup>.0<sup>2,6</sup>.0<sup>12,17</sup>]octadeca-12(17),13,15-triene-8-carboxylate
Acta crystallographica. Section E