1α,3β-bis(tert-butyldimethylsilyloxy)-[22,22,23,23-3H4]-9,10-secocholesta-5,7,10(19)-triene
1α,3β-bis(tert-butyldimethylsilyloxy)-[22,22,23,23-2H4]-9,10-secocholesta-5,7,10(19)-triene
1α,3β-bis(tert-butyldimethylsilyloxy)-9,10-secocholesta-5,7,10(19)-triene
Grundmann's ketone
1α-hydroxyvitamin D3