Useful phosphoramidite for oxidative studies of thymidine.

Useful mixed-modified phosphoramidite.

Enables incorporation of pseudouridine into RNA.

Useful degenerate base phosphoramidite that pairs with C or T.

Useful phosphoramidite tool for investigations of duplex stabilization as a result of substituents on the purine scaffold.

Smallest member of the "steric phosphoramidite tool box" for probing the steric requirements at N2 of dG in various applications.

Phosphoramidite for internal or 5'-incorporation of a deaza-modified dG nucleobase into an oligonucleotide.

Des-methyl analog of cytidine useful for probing the hydrogen-bonding characterisitcs in oligonucleotides.

Useful amino-modified deoxyadenosine phosphoramidite.

This convertible phosphoramidite allows the formation of N4-alkyl-dC residues.