No-rs-: N O'k-r N NH2 which is substantially free of the corresponding (+)-enantiomer or contains more of said (-)-enantiomer than the corresponding (+)-enantiomer, or a pharmaceutically acceptable salt, ester or salt of an ester thereof Count 3 reads as follows: A method of treating hepatitis B virus infection and/or inhibiting hepatitis B virus replication in a patient in need thereof, including humans and other mammals, comprising administering to said patient an effective amount of (-)-cis-4-amino- 1 -(2 hydroxymethyl-1,3-oxathiolan-5-yl)-(I H)-pyrimidin-2-one of the formula: 8Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 NextLast modified: November 3, 2007