Showing structure for 1-[(1r,9r,10r,11r,12e,17s)-12-ethylidene-10-[(1r,9s,12s,13r,14e,19s,21s)-14-ethylidene-10-oxa-8,16-diazahexacyclo[11.5.2.1¹,⁸.0²,⁷.0¹⁶,¹⁹.0¹²,²¹]henicosa-2,4,6-trien-9-yl]-8,14-diazapentacyclo[9.5.2.0¹,⁹.0²,⁷.0¹⁴,¹⁷]octadeca-2,4,6-trien-8-yl]ethanone