11-hydroxy-7-[1-methoxy-3-(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-5-one

(3Z,9E)-(1R,7S,15S,17R)-7-[(E)-(S)-1-(tert-Butyl-dimethyl-silanyloxy)-3-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-allyl]-15-methyl-13-methylene-6,21-dioxa-bicyclo[15.3.1]henicosa-3,9,19-triene-5,11-dione

ER-809537

ER-807318

(7E,12E)-(2S,10S,11S)-11-Methoxy-10-(4-methoxy-benzyloxy)-2-methyl-13-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)-4-methylene-1-((2R,6R)-6-prop-2-ynyl-3,6-dihydro-2H-pyran-2-yl)-trideca-7,12-dien-6-ol