(19)

(11)

EP 0 202 245 A1

(12)

(43) Date of publication: 26.11.1986 Bulletin 1986/48 (21) Application number: 85905166.0 (22) Date of filing: 07.10.1985

(51) International Patent Classification (IPC):  C07D 309/ 14( . ) C07H 15/ 252( . ) C07H 15/ 244( . ) (86) International application number: PCT/US1985/001917 (87) International publication number: WO 1986/003201 (05.06.1986 Gazette 1986/12)

(84) Designated Contracting States: FR IT (30) Priority: 23.11.1984 US 19840674175 (71) Applicant: SRI INTERNATIONAL Menlo Park, California 94025 (US)	(72) Inventors: ACTON, Edward, M. Menlo Park, CA 94025 (US) RYAN, Kenneth, J. Sunnyvale, CA 94089 (US) TRACY, Michael Menlo Park, CA 94025 (US)