Teslexivir (BTA074) hydrochloride is a potent antiviral agent. Teslexivir hydrochloride is a potent and selective inhibitor of the interaction between two essential viral proteins , E1 and E2 , an association that is a necessary step in the DNA replication and thus viral production for Human Papilloma Virus ( HPV ) 6 and 11. Teslexivir hydrochloride can be used for condyloma research.