Showing structure for (1s,4r,5s,8r,15s,18r,21s,22s)-5-methyl-7,16-dioxahexacyclo[13.6.1.0¹,⁸.0⁴,²¹.0⁹,¹⁴.0¹⁸,²²]docosa-9(14),11-diene-10,13,17-trione