F=i n I . I,- D:\M*(J22Uun08\230TV1TB074T4F2b.D n r, u r u u hi p i. 5a Androstanol AC Etiocholanolone AC — ^11 , Androsterone AC 'iiim I 1 . — A f 1 / 5b Androstan 3a 17b diol dJAC 5a Androstan 3a 17b diol diAC n U n — / -■'"^ Jy' \ Sii:SiiHS:=i^^!i!!5:S=^1 — — J 1 / ™ J / / ,,„ 1 • w l. 11 KetoEtlocholanolone AC 5b Pregnan 3a 2Qa diol dIAC K' H^ "^^^'^^ '^:p€S^\T^^^C^^'^' iJ Page 2 of 2 C:\IWSDCHEM\CUSTRP-nMAN52.CRT 7/23/2006 3:01 PM US ADA 0139 A^l