Showing structure for 11-chloro-21,23-dihydroxy-12,15,20-trimethoxy-2,5,9,16-tetramethyl-8-oxo-4,24-dioxa-9,22-diazatetracyclo[19.3.1.1¹⁰,¹⁴.0³,⁵]hexacosa-10(26),11,13,16,18,22-hexaen-6-yl 2-(n,2-dimethylprop-2-enamido)propanoate