Tetrahedron Letters
Tetrahedron Letters > 2007 > 48 > 6 > 915-918
Tetrahedron Letters > 2007 > 48 > 22 > 3775-3778
Tetrahedron Letters > 2007 > 48 > 34 > 5948-5952
Tetrahedron Letters > 2007 > 48 > 37 > 6514-6517
Tetrahedron Letters > 2007 > 48 > 49 > 8747-8751