(19)

(11)

EP 0 632 818 A1

(12)

(43) Date of publication: 11.01.1995 Bulletin 1995/02 (21) Application number: 93906734.0 (22) Date of filing: 23.03.1993

(51) International Patent Classification (IPC):  C08B 37/ 10( . ) C08B 37/ 00( . ) C07H 3/ 06( . ) (86) International application number: PCT/GB1993/000597 (87) International publication number: WO 1993/019096 (30.09.1993 Gazette 1993/24)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 23.03.1992 GB 19920006291 (71) Applicant: CANCER RESEARCH CAMPAIGN TECHNOLOGY LIMITED London NW1 4JL (GB)	(72) Inventors: GALLAGHER, John Thomas Wilmslow, Cheshire SK9 5LW (GB) TURNBULL, Jeremy Ewan Chorlton-Cum-Hardy, Manchester M21 1YG (GB) (74) Representative: Skerrett, John Norton Haigh, et al  H.N. & W.S. SKERRETT Charles House 148/9 Great Charles Street Birmingham B3 3HT Birmingham B3 3HT (GB)