(20S)-[(5-ethyloxycarbonyl)furan-2-yl]-22,23,24,25,26,27-hexanor-1α-hydroxyvitamin D3

(20S)-[5(2-hydroxypropan-2-yl)furan-2-yl]-22,23,24,25,26,27-hexanor-1α-hydroxyvitamin D3

(20S)-[5(3-hydroxypentan-3-yl)furan-2-yl]-22,23,24,25,26,27-hexanor-1α-hydroxyvitamin D3

(2S)-2-((1R,3aR,4S,7aR)-4-((tert-butyldimethylsilyl)oxy)-7a-methyloctahydro-1H-inden-1-yl)-8-methyl-8-((triethylsilyl)oxy)non-5-yn-3-ol

(S)-2-((1R,3aR,4S,7aR)-4-((tert-butyldimethylsilyl)oxy)-7a-methyloctahydro-1H-inden-1-yl)-8-methyl-8-((triethylsilyl)oxy)non-5-yn-3-one