1α-<((tert-butyldiphenyl)silyl)oxy>-6,7-dehydro-25-hydroxyprevitamin D3 (tert-butyldiphenyl)silyl ether
(1R,3S)-5-[(1R,3aR,7aR)-1-((1R)-5-hydroxy-1,5-dimethylhexyl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl]ethynyl-4-methylcyclohex-4-ene-1,3-diol
[2H]-Pre-1,25-D3
calcitriol
2-nor-1,3-seco-1,25-dihydroxyvitamin D3