r D :VMsd22Uuil06\2307\blu1 F3.D 5a Androstanol AC r R. r [ u n ! i I i a a Etiocholanolone AC 5b Androstan 3a 17bdioldiAC Androsterone AC 5a Androstan 3a 17b diol diAC 11 KetoEtiocholanolone AC 5b Preanan 3a 20a diol diAC EE KffitS &5V3KS 5r J?.: 5HF? B :~ A ll *?•*■ Page 2 of 2 C:\MSDCHEM\CUSTRPT\MAN52.CRT 7/23/2006 11 :30 AM US ADA 0143 >/3^