Showing structure for methyl (1'r,3r,5's,6s,7's)-6-ethyl-6,7'-dihydroxy-3'-methyl-3'-azaspiro[oxane-3,15'-tetracyclo[6.5.1.1¹,⁵.0¹¹,¹⁴]pentadecane]-8'(14'),11'-diene-12'-carboxylate