Showing structure for {5-[(acetyloxy)methyl]-9,21-dihydroxy-23-(1-methoxy-1-oxopropan-2-ylidene)-13,20-dimethyl-4,22-dioxo-3-oxaoctacyclo[14.7.1.0²,⁶.0²,¹⁴.0⁸,¹³.0¹⁰,¹².0¹⁷,¹⁹.0²⁰,²⁴]tetracosa-5,16(24)-dien-9-yl}methyl 2-methylbut-2-enoate