Phenoxyacetyl (Pac) protected phosphoramidite for the incorporation of a 2'-O-methyl modified ribo-A nucleobase within an oligonucleotide using UltraMILD conditions

Phosphoramidite for incorporation of an (otherwise unmodified) reverse (5’ to 3’) dG nucleobase within an oligonucleotide.

Phosphoramidite for incorporation of a 2'-O-methyl modified ribo-G nucleobase within an oligonucleotide

Phosphoramidite for incorporation of a 2'-O-methyl modified ribo-C nucleobase within an oligonucleotide

Phosphoramidite for incorporation of a locked nucleic acid A analogue internally or at the 5' end of an oligonucleotide.