Tetrahedron Letters
Tetrahedron Letters > 2007 > 48 > 7 > 1143-1145
Tetrahedron Letters > 2007 > 48 > 23 > 4097-4099
Tetrahedron Letters > 2007 > 48 > 25 > 4445-4447
Tetrahedron Letters > 2007 > 48 > 43 > 7691-7694
Tetrahedron Letters > 2007 > 48 > 52 > 9104-9107