4'-Ethynyl-2'-deoxyadenosine (4'-E-dA) is a nucleoside reverse transcriptase (RT) inhibitor. It is potent against drug-resistant HIV variants (EC50: 98 nM in MT-4 cells for anti-HIV-1 activity).
Loviride is a non-nucleoside reverse transcriptase inhibitor (IC50: 0.3 µM). Loviride inhibits HIV-1, HIV-2 and SIV replication in MT-4 cells. It is used for reverse transcriptase from HIV-1.