Showing structure for (1s,2r,3r,6e,7s,8r,9s,10s)-6-ethylidene-3,9,13-trihydroxy-8-isopropyl-11,20-dimethyl-4-oxa-11,20-diazapentacyclo[8.7.3.0¹,¹⁰.0²,⁷.0¹²,¹⁷]icosa-12,14,16-triene-2-carboxylic acid