Showing structure for (1s,11s,12r,13r,14e,16s,19s,21s)-10-{3-ethyl-8-methoxy-6h,7h-indolo[2,3-a]quinolizin-2-yl}-11-hydroxy-14-(2-hydroxyethylidene)-16-methyl-8,16-diazahexacyclo[11.5.2.1¹,⁸.0²,⁷.0¹⁶,¹⁹.0¹²,²¹]henicosa-2,4,6,9-tetraen-16-ium