Affiliation: | 1. College of Pharmacy, Seoul National University, San 56-1, Shillim-Dong Kwanak-Gu, 151-742, Seoul, Korea 2. Korea Institute of Science and Technology, Cheongryang, P.O. Box 130-650, 130-650, Seoul, Korea 3. Korea Research Institute of Chemical Technology, Yusong, P.O. Box 107, 305-606, Daejeon, Korea 4. College of Pharmacy, Chonnam National University, Yongbong-Dong, Book-Gu, 500-757, Kwangju, Korea 5. Yanbian Medical College, Yanji City, Jilin Province, China
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