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Tetrahedron > 2005 > 61 > 21 > 4989-5004
Tetrahedron > 2001 > 57 > 12 > 2355-2363
Tetrahedron > 1998 > 54 > 46 > 13915- 13928
Tetrahedron > 2005 > 61 > 21 > 4989-5004
Tetrahedron > 2001 > 57 > 12 > 2355-2363
Tetrahedron > 1998 > 54 > 46 > 13915- 13928