이정태 김양준 Koh Hun Yeong LEE KI JUNG Kim You Seung 2024-01-13T22:01:52Z 2024-01-13T22:01:52Z 2021-09-29 https://pubs.kist.re.kr/handle/201004/111872 English cephalosporin wittig reaction 3-chloromethyl cephem The syntheses and structure-activity relationships of new 3-substituted propenyl cephalosporins Conference 2 76th annual meeting of the Korean chemical society, 부산대학교 , 부산, v.7, no.1, pp.434 76th annual meeting of the Korean chemical society, 부산대학교 , 부산 7 1 434 434 KO