6-methyl 1-(2-((((1-((S)-4a-methyl-4,4a,7,8-tetrahydro-3H-spiro[naphthalene-2,2'-[1,3]dithiolan]-5-yl)vinyl)oxy)diphenylsilyl)oxy)ethyl) (2E,4E)-2-methylhexa-2,4-dienedioate

6-methyl 1-((1S,2S)-2-((((1-((S)-4a-methyl-4,4a,7,8-tetrahydro-3H-spiro[naphthalene-2,2'-[1,3]dithiolan]-5-yl)vinyl)oxy)diphenylsilyl)oxy)-1,2-diphenylethyl) (2E,4E)-2-methylhexa-2,4-dienedioate

methyl (4aR,4bS,7S,8S,8aS)-8-((E)-3-methoxy-3-oxoprop-1-en-1-yl)-4a,7-dimethyl-5-oxo-4,4a,4b,5,6,7,8,8a,9,10-decahydro-3H-spiro[phenanthrene-2,2'-[1,3]dithiolane]-7-carboxylate

1-bromo-3-chlorobut-2-ene

(3S,3aS,9aS,9bS)-3-(tert-butoxy)-3a,6-dimethyl-2,3,3a,4,8,9,9a,9b-octahydro-1H-cyclopenta[a]naphthalene-5,7-dione