Enviar Registro por Correo electrónico: 9α-Hy­droxy-12-{[4-(4-meth­oxy­phen­yl)piperazin-1-yl]meth­yl}-4,8-dimethyl-3,14-dioxatricyclo­[9.3.0.0(2,4)]tetra­dec-7-en-13-one