(19)

(11)

EP 0 523 110 A1

(12)

(43) Date of publication: 20.01.1993 Bulletin 1993/03 (21) Application number: 91906957.0 (22) Date of filing: 04.04.1991

(51) International Patent Classification (IPC):  A61K 31/ 70( . ) A61K 31/ 7052( . ) A61K 31/ 7068( . ) A61K 31/ 7076( . ) A61P 31/ 12( . ) C07H 19/ 06( . ) A61K 31/ 7042( . ) A61K 31/ 7064( . ) A61K 31/ 7072( . ) A61K 31/ 708( . ) C07H 19/ 04( . ) C07H 19/ 16( . ) (86) International application number: PCT/EP1991/000639 (87) International publication number: WO 1991/015498 (17.10.1991 Gazette 1991/24)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 04.04.1990 GB 19900007566 04.04.1990 GB 19900007650 04.04.1990 GB 19900007651 (71) Applicant: NYCOMED IMAGING AS N-0401 Oslo 4 (NO)	(72) Inventors: KLAVENESS, Jo N-0276 Oslo 2 (NO) UNDHEIM, Kjell N-1300 Sandvika (NO) (74) Representative: Matthews, Derek Peter  Frank B. Dehn & Co. Imperial House 15-19 Kingsway London WC2B 6UZ London WC2B 6UZ (GB)