8-(4-Fluorophenyl)-5,12,14-trioxa-2-azatetracyclo[7.7.0.0^{3,7}.0^{11,15}]hexadeca-1(9),2,7,10,15-pentaen-6-one 1g

8-(4-Fluorophenyl)-5,12,14-trioxa-2-azatetracyclo[7.7.0.0^{3,7}.0^{11,15}]hexadeca-1(9),2,7,10,15-pentaen-6-one 1g