The 13th Japan-Korea Joint Seminar for Young Organic Chemists, 2001-11-01
The 1st Tateshina Conference on Organic Chemistry, 2001-11-01
Science and Technology Conference, 2001-10-01
The 1st China-Korea Symposium on Organic Chemistry, 2001-08-01
18th International Congress of Heterocyilic Chemistry, 2001-07-01