(3aS,6R,7aR)-3a-allyl-6-methylhexahydrospiro[indene-4,2'-[1,3]dioxolan]-3(3aH)-one

(3-((3aS,6R,7aS)-3-allyl-6-methyl-5,6,7,7a-tetrahydrospiro[indene-4,2'-[1,3]dioxolan]-3a(1H)-yl)propoxy)(tert-butyl)dimethylsilane

tert-butyl (9aS,11R,13aS)-11-methyl-13-oxo-2,3,6,7,9,9a,10,11,12,13-decahydro-1H-indeno[1,7a-e]azonine-4(5H)-carboxylate

3-((3R,3aS,6R,7aS)-3a-(3-((tert-butyldimethylsilyl)oxy)propyl)-6-methyl-2-oxooctahydrospiro[indene-4,2'-[1,3]dioxolan]-3-yl)propanal

(2R,3R,3aS,6R,7aS)-3a-(3-((tert-butyldimethylsilyl)oxy)propyl)-3-(3-hydroxypropyl)-6-methyloctahydrospiro[indene-4,2'-[1,3]dioxolan]-2-ol

(−)-8-deoxyserratinine

(3aS,6R,7aS)-3a-(3-((tert-butyldimethylsilyl)oxy)propyl)-6-methyl-1,3a,5,6,7,7a-hexahydrospiro[indene-4,2'-[1,3]dioxolan]-3-yl trifluoromethanesulfonate

(1aR,2aS,4R,6aS,13aS)-4-methyl-10-(2,2,2-trifluoroacetyl)dodecahydro-6H,7H-oxireno[2',3':1,2]indeno[1,7a-e]azonin-6-one

3-((3aS,6R,7aS)-3a-(3-((tert-butyldimethylsilyl)oxy)propyl)-6-methyl-1,3a,5,6,7,7a-hexahydrospiro[indene-4,2'-[1,3]dioxolan]-3-yl)propan-1-ol

(4bS,7R,8aS)-4b-(3-((tert-butyldimethylsilyl)oxy)propyl)-7-methyl-4b,6,7,8,8a,9-hexahydrospiro[indeno[2,1-b]pyridine-5,2'-[1,3]dioxolane]

(3aS,6R,7aS)-3a-(3-hydroxypropyl)-6-methyl-1,3a,5,6,7,7a-hexahydrospiro[indene-4,2'-[1,3]dioxolan]-3-yl trifluoromethanesulfonate