A compound which comprises a backbone having a plurality of chiral carbonatoms, the backbone bearing a plurality of ligands each being individuallybound to a chiral carbon atom of the plurality of chiral carbon atoms, theligands including one or more pair(s) of adjacent ligands each containing amoiety selected from the group consisting of a naturally occurring nucleobaseand a nucleobase binding group, wherein moieties of the one or more pair(s)are directly linked to one another via a linker chain； building blocks forsynthesizing the compound； and uses of the compound, particularly in antisensetherapy.
