Showing structure for methyl 12-ethyl-4-[(13z)-13-ethylidene-18-(methoxycarbonyl)-4-oxo-8,15-diazapentacyclo[10.5.1.0¹,⁹.0²,⁷.0⁹,¹⁵]octadeca-2,5,7-trien-5-yl]-5-methoxy-8-methyl-8,16-diazapentacyclo[10.6.1.0¹,⁹.0²,⁷.0¹⁶,¹⁹]nonadeca-2(7),3,5,9-tetraene-10-carboxylate