TETRAHEDRON LETTERS, vol. 41, no. 51, page. 10055 - 10060, 2000-12-16
TETRAHEDRON LETTERS, vol. 41, no. 31, page. 5917 - 5921, 2000-07-29
TETRAHEDRON LETTERS, vol. 41, no. 21, page. 4177 - 4180, 2000-05-29
SYNTHETIC COMMUNICATIONS, vol. 30, no. 23, page. 4205 - 4212, 2000-01
NUCLEOSIDES NUCLEOTIDES & NUCLEIC ACIDS, vol. 19, no. 3, page. 637 - 650, 2000-01