Showing structure for (1r,5r,8r,10s,11r,14s,16s,17s,18r)-18-hydroxy-7-(2-hydroxyethyl)-5-methyl-13-methylidene-9-oxa-7-azahexacyclo[8.6.2.2¹¹,¹⁴.0¹,⁸.0⁵,¹⁷.0¹¹,¹⁶]icosan-6-one