Showing structure for 3-[16-ethenyl-11-ethyl-3-(methoxycarbonyl)-12,17,21,26-tetramethyl-4-oxo-7,23,24,25-tetraazahexacyclo[18.2.1.1⁵,⁸.1¹⁰,¹³.1¹⁵,¹⁸.0²,⁶]hexacosa-1(23),2(6),5(26),7,9,11,13,15,17,19-decaen-22-yl]propanoic acid