Showing structure for (1s,10s,12s,13e,15r,18r)-13-ethylidene-18-(hydroxymethyl)-18-(methoxycarbonyl)-8,15-diazapentacyclo[10.5.1.0¹,⁹.0²,⁷.0¹⁰,¹⁵]octadeca-2,4,6,8-tetraen-15-ium-15-olate