Synthesis of 5-Hydroxymethyl-, 5-Formyl-, and 5-Carboxycytidine-triphosphates and Their Incorporation into Oligonucleotides by Polymerase Chain Reaction. - Steigenberger, Barbara; Schiesser, Stefan; Hackner, Benjamin; Brandmayr, Caterina; Laube, Silvia K.; Steinbacher, Jessica; Pfaffeneder, Toni; Carell, Thomas (Organic Letters, 2013)