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BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, vol. 7, no. 21, page. 2709 - 2714, 1997-01
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, vol. 6, no. 17, page. 2039 - 2042, 1996-01
FEBS LETTERS, vol. 358, no. 3, page. 240 - 242, 1995-01