(19)

(11)

EP 1 334 093 A1

(12)

(43) Date of publication: 13.08.2003 Bulletin 2003/33 (21) Application number: 00971854.5 (22) Date of filing: 23.10.2000

(51) International Patent Classification (IPC)7: C07D 311/74 (86) International application number: PCT/KR0001/201 (87) International publication number: WO 0203/4738 (02.05.2002 Gazette 2002/18)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: SK Corporation Seoul 110-110 (KR)	(72) Inventors: KIM, Jeong-Soo Yusung-ku,Taejon 305-390 (KR) CHEONG, Heui-Young Yusung-ku,Taejon 305-390 (KR) LEE, Sijoon Yusung-ku,Taejon 305-390 (KR) (74) Representative: Boulinguiez, Didier et al Cabinet Plasseraud84, rue d'Amsterdam 75440 Paris Cedex 09 75440 Paris Cedex 09 (FR)