Showing structure for 5-(furan-3-yl)-15,16-dihydroxy-19-(2-methoxy-2-oxoethyl)-4,12,18,20-tetramethyl-7-oxo-6,11,13,21-tetraoxaheptacyclo[10.8.1.1¹⁵,¹⁸.0¹,¹⁰.0⁴,⁹.0¹⁰,¹⁴.0¹⁶,²⁰]docos-8-en-22-yl 2-methylbut-2-enoate