(19)

(11)

EP 0 265 506 A1

(12)

(43) Date of publication: 04.05.1988 Bulletin 1988/18 (21) Application number: 87903272.0 (22) Date of filing: 29.04.1987

(51) International Patent Classification (IPC):  C07D 239/ 553( . ) C07D 239/ 54( . ) (86) International application number: PCT/DK1987/000046 (87) International publication number: WO 1987/006581 (05.11.1987 Gazette 1987/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 30.04.1986 DK 19860001974 (71) Applicant: FARMACEUTISK LABORATORIUM FERRING A/S DK-2720 Vanlose (DK)	(72) Inventors: BUNDGAARD, Hans DK-2970 Horsholm (DK) BUUR, Anders DK-3450 Allerod (DK)