Elmore Patent Law Group, P.C.
Hepatitis B antiviral agents
The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: X-A-Y—Z—R  (I) which inhibit the protein(s) encoded by hepatitis B virus (HBV) or interfere with the function of the HBV life cycle of the hepatitis B virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HBV infection. The invention also relates to methods of treating an HBV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. 
Enanta Pharmaceuticals, Inc.
C A C A A C C C C A
C07D A61K C07D A61K A61K C07D C07D C07D C07D A61K
inventional inventional inventional inventional inventional inventional inventional inventional inventional inventional
Yao-Ling Jorden Hui Yat Sun Meizhong Xuri Xiaowen Wei
Qiu Kass Cao Or Jin Gao Peng Li