The Clevudine with the cas number 163252-36-6. It is also called (1)1-(2-Deoxy-2-fluoro-beta-L-arabinofuranosyl)-5-methyl-2,4(1H,3H)-pyrimidinedione ; (2)1-(2-Deoxy-2-fluoro-beta-L-arabinofuranosyl)thymine ; (3)2'-Fluoro-5-methyl-beta-L-arabinofuranosyluracil ; (4)Clevudine ; (5)2,4(1H,3H)-Pyrimidinedione, 1-(2-deoxy-2-fluoro-beta-L-arabinofuranosyl)-5-methyl-. 

Properties of Clevudine: (1)ACD/LogP: -0.72 ; (2)# of Rule of 5 Violations: 0 ; (3)ACD/LogD (pH 5.5): -0.72 ; (4)ACD/LogD (pH 7.4): -0.74 ; (5)ACD/BCF (pH 5.5): 1 ; (6)ACD/BCF (pH 7.4): 1 ; (7)ACD/KOC (pH 5.5): 9.62 ; (8)ACD/KOC (pH 7.4): 9.37 ; (9)#H bond acceptors: 7 ; (10)#H bond donors: 3 ; (11)#Freely Rotating Bonds: 4 ; (12)Polar Surface Area: 68.31 Å² ; (13)Index of Refraction: 1.592 ; (14)Molar Refractivity: 56.54 cm³ ; (15)Molar Volume: 166.9 cm³ ; (16)Polarizability: 22.41 ×10^-24cm³ ; (17)Surface Tension: 65.8 dyne/cm ; (18)Density: 1.55 g/cm³

The Clevudine is an antiviral drug for the treatment of hepatitis B. Clevudine is already approved for HBV in South Korea and the Philippines. And it is a nucleoside analog.

You can still convert the following datas into molecular structure :
1. SMILES: O=C/1NC(=O)N(\C=C\1C)[C@H]2O[C@H]([C@H](O)[C@H]2F)CO
2. InChI: InChI=1/C10H13FN2O5/c1-4-2-13(10(17)12-8(4)16)9-6(11)7(15)5(3-14)18-9/h2,5-7,9,14-15H,3H2,1H3,(H,12,16,17)/t5-,6+,7-,9-/m0/s1