(3S,3aR,4S,6S,6aR,7S,8S,9bS)-6-(acetyloxy)-3,3a-dihydroxy-3,6,9-trimethyl-8-{[(2Z)-2-methylbut-2-enoyl]oxy}-7-(octanoyloxy)-2-oxo-2,3,3a,4,5,6,6a,7,8,9b-decahydroazuleno[4,5-b]furan-4-yl 12-[(tert-butoxycarbonyl)amino]dodecanoate
(3s,3ar,4s,6s,6ar,7s,8s,9bs)-6-(acetyloxy)-3,3a-dihydroxy-3,6,9-trimethyl-8-{[(2z)-2-methylbut-2-enoyl]oxy}-7-(octanoyloxy)-2-oxo-2,3,3a,4,5,6,6a,7,8,9b-decahydroazuleno[4,5-b]furan-4-yl 12-[(tert-butoxycarbonyl)amino]dodecanoate