Showing structure for 13,15-dimethyl (1s,2r,6r,14s,15r,18s,20s)-15,20-dihydroxy-11-methoxy-17-oxa-3,13-diazaheptacyclo[12.6.2.0¹,¹⁶.0²,⁶.0³,¹⁸.0⁶,¹⁴.0⁷,¹²]docosa-7,9,11-triene-13,15-dicarboxylate