TETRAHEDRON LETTERS, vol. 42, no. 24, page. 4005 - 4007, 2001-06-11
TETRAHEDRON LETTERS, vol. 40, no. 50, page. 8905 - 8909, 1999-12-10
TETRAHEDRON LETTERS, vol. 48, no. 1, page. 169 - 172, 2007-01-01
TETRAHEDRON LETTERS, vol. 37, no. 21, page. 3631 - 3634, 1996-05-20
TETRAHEDRON LETTERS, vol. 46, no. 36, page. 6063 - 6066, 2005-09-05