(1<i>S</i>,2<i>R</i>,3<i>R</i>,6<i>R</i>,7<i>S</i>,8<i>R</i>,10<i>S</i>,11<i>S</i>)-13-{[4-(4-Chlorophenyl)piperazin-1-yl]methyl}-10-hydroxy-4,9-dimethyl-3,8,15-trioxatetracyclo[10.3.0.0<sup>2,4</sup>.0<sup>7,9</sup>]pentadecan-14-one
Acta crystallographica. Section E