Showing structure for methyl (1r,2s,4r,5s,7s,9s,12r,14s,15r)-5-(chloromethyl)-2,7-dihydroxy-12-methyl-10,17-dioxo-6,16,18,19-tetraoxapentacyclo[12.2.2.1⁴,⁷.1⁹,¹².0¹,¹⁵]icosane-5-carboxylate