Emtricitabine-13C,15N2 (BW1592-13C,15N2) is a 13C- and 15N-labeled Emtricitabine (HY-17427). Emtricitabine is a nucleoside reverse transcriptase inhibitor (NRTI) with an EC50 of 0.01 µM in PBMC cell. It is an antiviral agent for the treatment of HIV infection.