Racemization by Walden inversion may be restricted (such as ammonium or phosphonium cations), or slow.
Walden | Ricky Walden | Saffron Walden | Narada Michael Walden | Walden's Hornbill | Phil Walden | Thomas Scott-Ellis, 8th Baron Howard de Walden | Thomas Audley, 1st Baron Audley of Walden | Brian Walden | Walden Pond | Walden, New York | Walden Media | Walden Bello | Walden Two | Walden School | Walden Schmidt | Walden inversion | Walden, Colorado | The Walden School | St. Paul's Walden Bury | Population inversion | Patrick Walden | King's Walden | John Scott-Ellis, 9th Baron Howard de Walden | John Morgan Walden | Christian De Walden | An inversion loop in the A arm of a chromosome from an ''Axarus | 1st Baron Audley of Walden |