| 1996-01 | Rearrangement of dichloro-1,4-oxathiane. | Hahn Hoh Gyu |
| - | Synthesis of 2-thioxo-4,5-imidazolidinediones | Hahn Hoh Gyu; NAM Kee DAL; 마혜덕 |
| - | Synthesis of selective fungicide, 2-iminothiazolines and their strcuture-activity relationship | Hahn Hoh Gyu; NAM Kee DAL; 배수열; 마혜덕 |
| - | Synthesis of sulfur-oxygen transposed dihydro-1,4-oxathiin derivative by unusual rearrangement of β -hydroxy-1,3-oxathiolanes. | Hahn Hoh Gyu; W. S. Lee; K. H. Chang |
| - | Synthesis of α,β-unsaturated carboxanilide through polymer-bound activated esters | Hahn Hoh Gyu; NAM Kee DAL; 배수열; 마혜덕 |
| - | The comparison of carboxanilides formation on various polymer-bound activated esters. | Hahn Hoh Gyu; NAM Kee DAL; 배수열; 마혜덕 |
| 1998-01 | 에폭시드 고리 개환에 의한 옥사졸리틴티온의 합성 및 항바이러스 활성 | Hahn Hoh Gyu; 황규자; LEE HEE KYUNG |
| - | (Undefined) | Hahn Hoh Gyu; NAM Kee DAL; 전진호; 임철수; 배수열; 마혜덕 |
| - | (Undefined) | Hahn Hoh Gyu; NAM Kee DAL; CHANG KEE HYUCK; 배수열; 전종연; 마혜덕 |
| - | (Undefined) | NAM Kee DAL; Hahn Hoh Gyu; 서상봉; 김흥태; 김진철 |
| - | (Undefined) | Hahn Hoh Gyu; NAM Kee DAL; CHANG KEE HYUCK; 배수열; 마혜덕 |
| - | (Undefined) | Hahn Hoh Gyu |
| - | (Undefined) | 오형섭; Hahn Hoh Gyu; 천승훈; 하덕찬 |
