Evans David A, Rajapakse Hemaka A, Stenkamp Dirk
Department of Chemistry & Chemical Biology, Harvard University, Cambridge, MA 02138, USA.
Angew Chem Int Ed Engl. 2002 Dec 2;41(23):4569-73. doi: 10.1002/1521-3773(20021202)41:23<4569::AID-ANIE4569>3.0.CO;2-V.