Showing structure for (2r,3s,4r,5r,6r)-6-{[(1s,4r,5r,6r,8r,10s,12s,13s,15s,16r,18s,21r)-15-(acetyloxy)-8-ethoxy-4,6,12,17,17-pentamethyl-9-oxahexacyclo[11.9.0.0¹,²¹.0⁴,¹².0⁵,¹⁰.0¹⁶,²¹]docosan-18-yl]oxy}-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl (2e)-but-2-enoate