Showing structure for 14-(acetyloxy)-6-(2-hydroxy-5h-pyrrol-3-yl)-10-(2-methoxy-2-oxoethyl)-7,9,11,15-tetramethyl-3,17-dioxapentacyclo[9.6.1.0²,⁹.0⁴,⁸.0¹⁵,¹⁸]octadec-7-en-12-yl 2-methylbut-2-enoate