Katritzky, Alan R.; Thind, Sukhpal S.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1981 , p. 661 - 663
Swayze, Eric E.; Seth, Punit P.; Griffey, Richard H.; Jefferson, Elizabeth Anne
Patent: US2005/124638 A1, 2005 ;
Location in patent: Page/Page column 19-20 ;