Showing structure for 12-hydroxy-5-methyl-4,6-dioxo-15-(penta-1,3-dien-1-yl)-14-oxa-9-azatetracyclo[7.6.1.0²,⁷.0¹³,¹⁶]hexadeca-1(15),2,7-trien-5-yl 3-hydroxybutanoate