(7E,13E)-(4R,9R,10S,15R,16S)-15-Hydroxy-9-(2-methoxy-ethoxymethoxy)-4,10,16-trimethyl-1,5,11-trioxa-cyclohexadeca-7,13-diene-2,6,12-trione

(-)-1-(3-hydroxy-1-penten-4-yloxycarbonyl)prop-2-yl 5-acryloyloxy-4-[(2-methoxyethoxy)methoxy]-2-hexenoate

(-)-1-[3-(methoxy)methoxy-1-penten-4-yloxycarbonyl]prop-2-yl 5-acryloyloxy-4-[(2-methoxyethoxy)methoxy]-2-hexenoate

(-)-1-[3-(4-methoxybenzyloxy)-1-penten-4-yloxycarbonyl]prop-2-yl 5-hydroxy-4-[(2-methoxyethoxy)methoxy]-2-hexenoate

(-)-1-[3-(4-methoxybenzyloxy)-1-penten-4-yloxycarbonyl]prop-2-yl 5-acryloyloxy-4-[(2-methoxyethoxy)methoxy]-2-hexenoate