(19)

(11)

EP 0 112 364 A1

(12)

(43) Date of publication: 04.07.1984 Bulletin 1984/27 (21) Application number: 83902142.0 (22) Date of filing: 20.06.1983

(51) International Patent Classification (IPC):  A61K 31/ 52( . ) C07D 473/ 00( . ) C07D 317/ 26( . ) (86) International application number: PCT/SE1983/000255 (87) International publication number: WO 1984/000168 (19.01.1984 Gazette 1984/02)

(84) Designated Contracting States: AT BE CH DE FR GB LI LU NL SE (30) Priority: 21.06.1982 SE 19820003856 (71) Applicant: Astra Läkemedel Aktiebolag S-151 85 Södertälje (SE)	(72) Inventors: ERIKSSON, Bertil Frank Harald S-151 54 Södertälje (SE) GOTTHAMMAR, Kristina Birgitta S-132 00 Saltsjö-BO (SE) JOHANSSON, Karl Nils-Gunnar S-150 23 Enhörna (SE) (74) Representative: Hjertman, Ivan T., et al  AB ASTRA Patent and Trade Mark Department S-151 85 Södertälje S-151 85 Södertälje (SE)