Tetrahedron Letters
Tetrahedron Letters > 2009 > 50 > 6 > 684-687
Tetrahedron Letters > 2009 > 50 > 28 > 4107-4109
Tetrahedron Letters > 2009 > 50 > 43 > 5906-5909
Tetrahedron Letters > 2009 > 50 > 44 > 5978-5980
Tetrahedron Letters > 2009 > 50 > 48 > 6698-6700
Tetrahedron Letters > 2009 > 50 > 50 > 6981-6984