Showing structure for 16,18-dimethyl (2r,4s,9r,18r,19r,22r)-14,18,19-trihydroxy-3-oxa-6,16-diazaheptacyclo[15.2.2.1¹,⁶.0²,⁴.0⁹,¹⁷.0¹⁰,¹⁵.0⁹,²²]docosa-10,12,14-triene-16,18-dicarboxylate