NRTI – Nucleoside Reverse Transcriptase Inhibitor, a type of HIV drug – also called ‘nuke’ or ‘nucleoside analogue’.

3TC (lamivudine). abacavir, AZT, FTC (emtricitabine), d4T (stavudine), ddI (didanosine) all belong to this class.

Tenofovir DF and tenofovir alafenamide (TAF) are a nucleotide analogues which is similar enough to be counted as part of this class.

Drug targets in the virus life cycle.