title: Convenient synthesis of a propargylated cyclic (3'-5') diguanylic acid and its "click" conjugation to a biotinylated azide.
authors.affiliation: Center for Drug Evaluation and Research, Food and Drug Administration, Bethesda, Maryland 20892, United States. Andrzej.Grajkowski@fda.hhs.gov
authors.forename: Andrzej
authors.initials: A
authors.lastname: Grajkowski
authors.forename: Jacek
authors.initials: J
authors.lastname: Cieślak
authors.forename: Alexei
authors.initials: A
authors.lastname: Gapeev
authors.forename: Christian
authors.initials: C
authors.lastname: Schindler
authors.forename: Serge L
authors.initials: SL
authors.lastname: Beaucage