Pan Yijun, Ruhland Beatrice, Holmes Christopher P.
Department of Chemistry, Affymax Research Institute 4001 Miranda Avenue, Palo Alto, CA 94304 (USA).
Angew Chem Int Ed Engl. 2001 Dec 3;40(23):4488-4491. doi: 10.1002/1521-3773(20011203)40:23<4488::aid-anie4488>3.0.co;2-5.