Tetrahedron Letters
Tetrahedron Letters > 2007 > 48 > 18 > 3251-3254
Tetrahedron Letters > 2007 > 48 > 18 > 3247-3250
Tetrahedron Letters > 2007 > 48 > 26 > 4595-4599
Tetrahedron Letters > 2007 > 48 > 45 > 7969-7973
Tetrahedron Letters > 2007 > 48 > 50 > 8819-8822