Phosphoramidite used to incorporate a bromo-modified deoxyguanosine internally or at the 5' end of an oligonucleotide.

Phosphoramidite used to incorporate an iodo-modified deoxycytidine internally or at the 5' end of an oligonucleotide.

Phosphoramidite used to incorporate a bromo-modified deoxycytidine internally or at the 5' end of an oligonucleotide.

Phosphoramidite used to incorporate an iodo-modified deoxyuridine internally or at the 5' end of an oligonucleotide.

Phosphoramidite used to incorporate a fluoro-modified deoxyuridine internally or at the 5' end of an oligonucleotide.

Allows for incorporation of a halogenated nucleoside into oligonucleotides for crystallographic studies and crosslinking studies of protein-DNA and RNA-DNA complexes.

Phosphoramidite used to incorporate an iodo-modified deoxyuridine internally or at the 5' end of an oligonucleotide.

Phosphoramidite used to incorporate a chloro-modified deoxycytidine internally or at the 5' end of an oligonucleotide.

A convertible nucleoside phosphoramidite that allows the formation of N2-alkyl-dG _x000D_residues.