Chmielewski, Marcin K.; Marchan, Vicente; Cieslak, Jacek; Grajkowski, Andrzej; Livengood, Victor; Muench, Ursula; Wilk, Andrzej; Beaucage, Serge L.
Journal of Organic Chemistry, 2003 , vol. 68, # 26 p. 10003 - 10012