Phosphoramidite for the incorporation of an internal amino function into an oligonucleotide.

Classic protected 2'-OTBDMS phosphoramidite for the incorporation of ribo-A into a synthetic oligonucleotide.

Phosphoramidite for the efficient incorporation of a 3'-thioinosine modification into oligonucleotides.

Phosphoramidite for incorporation of a 2'-O-methyl 5-Me-U nucleobase within an oligonucleotide

Phosphoramidite for incorporation of Biotin with a triethylene glycol spacer internally or at the 5' end of an oligonucleotide.