2-((2S,3R,3aR,4S,6S,8S,8aS,E)-2-((tert-butyldiphenylsilyl)oxy)-6,8-bis(methoxymethoxy)-3,8-dimethyl-4-((triethylsilyl)oxy)octahydroazulen-5(1H)-ylidene)propyl acetate

(2aS,2a1R,5aS,7S,7aR,8S,10R,10aS,10bS)-8-hydroxy-2a,4,4,7,10-pentamethyl-2a1,7-bis((trimethylsilyl)oxy)octahydro-1,3,5-trioxabenzo[cd]cyclopenta[h]azulene-2,9(2aH,5aH)-dione

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

白芷酸

(2Z)-2-methyl-2-butenoic 2,4,6-trichlorobenzoic anhydride