Showing structure for 2,20-dihydroxy-19-methoxy-14-methyl-5,7-dioxa-14-azapentacyclo[11.7.1.0³,¹¹.0⁴,⁸.0¹⁷,²¹]henicosa-1(20),3(11),4(8),9,17(21),18-hexaen-12-one