Synonyms: L-Alanine, N-[[P(S),2’R]-2′-deoxy-2′-fluoro-2′-methyl-P-phenyl-5′-uridylyl]-, 1-methylethyl ester, GS 7977, Hepcinat, Hepcvir, Isopropyl (2S)-2-[(2R,3R,4R,5R)-5-(2,4-dioxopyrimidin-1-yl)-4-fluoro-3-hydroxy-4-methyl-tetrahydrofuran-2-yl]methoxy-phenoxy-phosphoryl]amino]propionate, PSI 7977, Resof, Sofosbuvir, Sovaldi, Sovihep