D:\M8d22UullOSU307U)lu1F1.D Ti I r" L n Etiocholanolone AC 5a Androstanol AC Androsterone AC n u I : i i L Sb Andro stan 3a 17b diol diAC 6a Androstan 3a 17b diol dIAC 11 KetoEtlocholanolone AC 5b Preqnan 3a 20a diol dIAC Page 2 of 2 C:\MSDCHEMVCUSTRPT\MAN52.CRT 7/23/2006 12:55 PM USADA0133 ^sa