(2aS,2a¹R,5aS,7S,7aS,10R,10aS,10bS)-2a¹,7-dihydroxy-2a,4,4,7,10-pentamethyloctahydro-1,3,5-trioxabenzo[cd]cyclopenta[h]azulene-2,9(2aH,5aH)-dione

(2aS,2a¹R,5aS,7S,7aS,9S,10R,10aR,10bS)-2a¹,7,9-trihydroxy-2a,4,4,7,10-pentamethyldecahydro-1,3,5-trioxabenzo[cd]cyclopenta[h]azulen-2(2aH)-one

(2aS,2a1R,5aS,7S,7aR,10R,10aR,10bS)-2a,4,4,7,10-pentamethyl-2a1,7,9-tris((trimethylsilyl)oxy)-2a1,5a,6,7,7a,10,10a,10b-octahydro-1,3,5-trioxabenzo[cd]cyclopenta[h]azulen-2(2aH)-one

(2aS,2a1R,5aS,7S,7aS,9S,10R,10aR,10bS)-9-((tert-butyldiphenylsilyl)oxy)-2a1,7-dihydroxy-2a,4,4,7,10-pentamethyldecahydro-1,3,5-trioxabenzo[cd]cyclopenta[h]azulen-2(2aH)-one

(3S,3aR,4S,6S,6aS,8S,9R,9aR,9bS)-8-((tert-butyldiphenylsilyl)oxy)-3,3a-dihydroxy-4,6-bis(methoxymethoxy)-3,6,9-trimethyldecahydroazuleno[4,5-b]furan-2(3H)-one