(4R,4aS,5'R,6aS,6bR,7S,8R,9aS,10aS,10bS)-1'-acetyl-4-(2-isocyanatoethyl)-4,5',6a,7-tetramethyldodecahydrospiro[benzo[4,5]indeno[2,1-b]furan-8,2'-piperidin]-3(2H)-one

2,2,2-trifluoro-N-(2-((4R,5'R,6aS,7S,8R,9aS,10aS)-4,5',6a,7-tetramethyl-3-oxotetradecahydrospiro[benzo[4,5]indeno[2,1-b]furan-8,2'-piperidin]-4-yl)ethyl)acetamide

3-((4R,4aS,5'R,6aS,6bR,7S,8R,9aS,10aS,10bS)-1'-acetyl-4,5',6a,7-tetramethyl-3-oxotetradecahydrospiro[benzo[4,5]indeno[2,1-b]furan-8,2'-piperidin]-4-yl)propanoyl azide