Showing structure for 12-ethyl-10-({12-ethyl-10-methylidene-8,14-diazapentacyclo[9.5.2.0¹,⁹.0²,⁷.0¹⁴,¹⁷]octadeca-2,4,6-trien-6-yl}methyl)-8,14-diazapentacyclo[9.5.2.0¹,⁹.0²,⁷.0¹⁴,¹⁷]octadeca-2,4,6,8-tetraene