(19)

(11)

EP 0 365 539 A1

(12)

(43) Date of publication: 02.05.1990 Bulletin 1990/18 (21) Application number: 88904436.0 (22) Date of filing: 24.05.1988

(51) International Patent Classification (IPC):  C07D 309/ 36( . ) (86) International application number: PCT/AU1988/000155 (87) International publication number: WO 1988/010258 (29.12.1988 Gazette 1988/28)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 17.06.1987 AU 19870002524 (71) Applicant: AUSTRALIAN COMMERCIAL RESEARCH & DEVELOPMENT LIMITED Brisbane, QLD 4000 (AU)	(72) Inventors: TERNAI, Bela Eltham North, VIC 3095 (AU) COOK, Maria, Luisa West Brunswick, VIC 3055 (AU) (74) Representative: van der Arend, Adrianus G.A., Ir., et al  van Exter Polak & Charlouis B.V., P.O. Box 3241 NL-2280 GE Rijswijk NL-2280 GE Rijswijk (NL)