TY - JOUR AU - Baumhof, P; Mazitschek, R; Giannis, A JO - Angew. Chem. Int. Ed. VL - 40 PY - 2001 DO - 10.1002/1521-3773(20011001)40:19<3672::AID-ANIE3672>3.0.CO;2-Y L3 - PubMed-ID: 11592218 SP - 3672 ER -