| 1997-03 | Studies on new catechol containing cephalosporins .3. Synthesis and structure-activity relationships of cephalosporins having a pyridone moiety at the C-7 position | Choi, KI; Cha, JH; Pae, AN; Cho, YS; Koh, HY; Chang, MH; Kang, HY; Chung, BY |
| 1998-12 | Studies on novel 3-isoxazolylvinylcephalosporins: I. Synthesis and biological activity of 7-[2(2-aminothiazol-4-yl)-2-(alkoxy)iminoacetamido] derivatives | Choi, KI; Cha, JH; Pae, AN; Cho, YS; Chang, MH; Koh, HY |
| 1998-12 | Studies on novel 3-isoxazolylvinylcephalosporins: II. Synthesis and biological activity of 7-[2-(2-aminothiazol-4-yl)-2-hydroxyiminoacetamido] derivatives | Choi, KI; Cha, JH; Pae, AN; Cho, YS; Kim, Y; Chang, MH; Park, SH; Park, SY; Kim, D; Jeong, DY; Kim, YH; Kong, JY; Koh, HY |
| - | Synthesis and antimicrobial activity of new substituted pyridone cephems | Chang Moon Ho; Koh Hun Yeong; Cho Yong Seo; Choi Kyung Il; CHA JOO HWAN; KANG HAN YOUNG |
| - | Synthesis and biological activity of the new series of cephalosporin derivatives. | KIM BO HYUNG; Lee Jieun; CHA JOO HWAN; Pae Ae Nim; Choi Kyung Il; Cho Yong Seo; Koh Hun Yeong |
| - | Synthesis and biological evaluation of new 3-(3-pyridinio-5-isoxazolyl)vinyl cephalosporin derivatives | CHA JOO HWAN; Choi Kyung Il; Pae Ae Nim; Cho Yong Seo; Koh Hun Yeong; Chang Moon Ho |
| - | Synthesis and structure activity relationship of the new cephalosporin antibiotics | CHANG KWAN YOUNG; NAM GHILSOO; KIM SUNG HOON; Kim Joong Hyup |
| 2000-06-05 | Synthesis and structure-activity relationships of quaternary ammonium cephalosporins with 3-pyrazolylpyridinium derivatives | Chang, KY; Kim, SH; Nam, G; Seo, JH; Kim, JH; Ha, DC |
| 1997-12-20 | Synthesis of cephalosporin derivatives utilizing the cephem triflate. 2. Introduction of 3-position substituents by the reaction with enamines | Kang, HY; Lee, SH; Choi, KI; Koh, HY |
| - | The syntheses and structure-activity relationships of new 3-substituted propenyl cephalosporins | 이정태; 김양준; Koh Hun Yeong; LEE KI JUNG; Kim You Seung |
