(19)

(11)

EP 0 051 067 A1

(12)

(43) Date of publication: 12.05.1982 Bulletin 1982/19 (21) Application number: 81900961.0 (22) Date of filing: 22.04.1981

(51) International Patent Classification (IPC):  A01N 43/ 66( . ) C07D 251/ 20( . ) C07D 251/ 16( . ) C07D 251/ 22( . ) (86) International application number: PCT/AU1981/000046 (87) International publication number: WO 1981/003020 (29.10.1981 Gazette 1981/25)

(84) Designated Contracting States: CH DE FR GB LI (30) Priority: 22.04.1980 AU 19800003241 (71) Applicant: COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION Parkville, VIC 3052 (AU)	(72) Inventor: HARRIS, Roger Lawrence Newton Aranda, A.C.T. 2614 (AU)