16,17-deoxy-laulimalide

(E)-(1R,7S,11S,15S,17R)-11-Hydroxy-7-[(E)-(S)-1-hydroxy-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-9,19-dien-3-yn-5-one

tert-Butoxy-{4-[(2R,6S)-6-((R)-4,4-dibromo-2-methyl-but-3-enyl)-5,6-dihydro-2H-pyran-2-yl]-but-2-ynyloxy}-diphenyl-silane

tert-Butoxy-(4-{(2R,6S)-6-[(R)-3-(4-methoxy-benzyloxy)-2-methyl-propyl]-5,6-dihydro-2H-pyran-2-yl}-but-2-ynyloxy)-diphenyl-silane