p. 3450 - 3457
(2007/10/02)1-<2-(phenylsulfonyl)ethyl>-1-<(triethylsilyl)oxy>cyclopentane
(5Z,7E)-(1S,3R,20S)-1,3-bis<(tert-butyldimethylsilyl)oxy>-9,10-seco-22,23-dinor-5,7,10(19)-cholatrienol 22-p-toluenesulfonate
(5Z,7E)-(1S,3R,20S)-1,3-bis<(tert-butyldimethylsilyl)oxy>-9,10-seco-5,7,10(19)-pregnatriene-20-carboxylic acid methyl ester
(5Z,7E)-(1S,3R,20S)-1,3-bis<(tert-butyldimethylsilyl)oxy>-9,10-seco-22,23-dinor-5,7,10(19)-cholatrien-24-ol
(5Z,7E)-(1S,3R,20S)-1-hydroxy-3-acetoxy-9,10-seco-5,7,10(19)-pregnatriene-20-carboxylic acid methyl ester