| http://www.w3.org/ns/prov#value | - For example, 1 equivalent of the compound (A9) is dissolved with 1 equivalent of an activating reagent, e.g. O-benzotriazolyl-N,N,N???,N???-tetramethyluronium tetrafluoroborate (TBTU) and a base, for example 1.5 equivalents of diisopropylethylamine (DIPEA) in an organic diluent, for example dichloromethane, tetrahydrofuran, dimethylformamide, N-methylpyrrolidone, dimethylacetamide, preferably dich
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