Showing structure for (1s,12s,13r,14s,15e,17s)-15-ethylidene-13-(hydroxymethyl)-13-(methoxycarbonyl)-3,17-diazapentacyclo[12.3.1.0²,¹⁰.0⁴,⁹.0¹²,¹⁷]octadeca-2(10),4,6,8-tetraen-17-ium-17-olate