Tetrahedron
Tetrahedron > 2001 > 57 > 12 > 2403-2409
Tetrahedron > 2003 > 59 > 43 > 8603-8611
Tetrahedron > 2005 > 61 > 40 > 9465-9477
Tetrahedron > 2011 > 67 > 24 > 4467-4474
Tetrahedron > 2013 > 69 > 31 > 6424-6430
Tetrahedron > 2016 > 72 > 39 > 5923-5927