Tetrahedron Letters
Tetrahedron Letters > 1999 > 40 > 5 > 989-990
Tetrahedron Letters > 1999 > 40 > 13 > 2649-2652
Tetrahedron Letters > 1999 > 40 > 21 > 4031-4034
Tetrahedron Letters > 1999 > 40 > 25 > 4703-4706
Tetrahedron Letters > 1999 > 40 > 26 > 4845-4846
Tetrahedron Letters > 1999 > 40 > 40 > 7153-7157
Tetrahedron Letters > 1999 > 40 > 43 > 7709-7711
Tetrahedron Letters > 1999 > 40 > 44 > 7815-7818