(1S,2R,3E,5Z,9S,10S,11R,14S,16S,17R,18S,19Z,21S)-9-((S,Z)-hex-3-en-2-yl)-11,17-dihydroxy-2,10,14,16,18,23,23-heptamethyl-8,22,24-trioxabicyclo[19.3.1]pentacosa-3,5,19-trien-7-one

6-epi-25,26-dihydrodictyostatin