2-((1S,3R,6S)-10-(tert-butoxycarbonyl)-3-methyl-5,14-dioxo-10-azaspiro[5.8]tetradecan-1-yl)acetic acid

tert-butyl (7aS,8R,9aS,11R,13R,13aR)-7a,8,13-trihydroxy-11-methyldodecahydro-1H-indeno[1,7a-e]azonine-4(5H)-carboxylate

(7aS,8R,9aS,11R,13R,13aR)-4-(tert-butoxycarbonyl)-7a-hydroxy-11-methyltetradecahydro-1H-indeno[1,7a-e]azonine-8,13-diyl diacetate

tert-butyl (4-((2R,4R)-2-allyl-4-methyl-6-oxocyclohexyl)-4-oxobutyl)(3-iodopropyl)carbamate

tert-butyl (10R,12R)-10-allyl-12-methyl-9-oxo-3,4,6,7,8,9,10,11,12,13-decahydrobenzo[j][1]oxa[5]azacycloundecine-5(2H)-carboxylate