Showing structure for methyl (3s,12z,21r,22r)-16-ethenyl-22-(3-ethoxy-3-oxopropyl)-11-ethyl-12-(hydroxymethylidene)-17,21,26-trimethyl-4-oxo-7,23,24,25-tetraazahexacyclo[18.2.1.1⁵,⁸.1¹⁰,¹³.1¹⁵,¹⁸.0²,⁶]hexacosa-1,5(26),6,8,10,13(25),14,16,18(24),19-decaene-3-carboxylate