Showing structure for (1r,5s,7r,8r,9r,13r)-11-ethyl-7,16-dihydroxy-13-methyl-6-methylidene-11-azahexacyclo[7.7.2.1⁵,⁸.0¹,¹⁰.0²,⁸.0¹³,¹⁷]nonadecan-4-one