PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, vol. 102, no. 9, page. 3383 - 3388, 2005-03
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, vol. 20, no. 3, page. 814 - 818, 2010-02-01
BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, vol. 18, no. 14, page. 3906 - 3909, 2008-07-15