4-​(2-Chloro-​4-​fluorophenyl)​-​2-​(3,​5-​difluoro-​2-​pyridinyl)​-​1,​4-​dihydro-​6-​methyl-​5-​pyrimidinecarboxylic Acid Methyl Ester is an antiviral compound that inhibits HBV replication by destabilizing capsid assembly.