(19)

(11)

EP 0 938 475 A1

(12)

(43) Date of publication: 01.09.1999 Bulletin 1999/35 (21) Application number: 97912680.0 (22) Date of filing: 17.10.1997

(51) International Patent Classification (IPC):  C07D 211/ 78( . ) A61P 31/ 16( . ) C07D 211/ 74( . ) A61K 31/ 44( . ) C07D 211/ 72( . ) (86) International application number: PCT/US1997/018193 (87) International publication number: WO 1998/017647 (30.04.1998 Gazette 1998/17)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 21.10.1996 US 19960028901P (71) Applicant: GILEAD SCIENCES, INC. Foster City CA 94404 (US)	(72) Inventors: KIM, Choung, U. San Carlos, CA 94070 (US) WILLIAMS, Matthew, A. Foster City, CA 94404 (US) (74) Representative: Kinzebach, Werner, Dr., et al  Patentanwälte Reitstötter, Kinzebach und Partner Postfach 86 06 49 81633 München 81633 München (DE)