Benzothiophene analogs useful to treat herpes viral infections, particularly cytomegalovirus, are provided. These antiviral agents have the structural formula (I) ##STR1## wherein R and R.sup.1 are as defined herein, and may be in free base or acid addition salt form. Pharmaceutical compositions are provided containing the antiviral agents, as are methods of treating herpes-infected individuals.
CROSS-REFERENCE TO RELATED APPLICATIONS
This application is a continuation of U.S. patent application Ser. No. 08/101,371, filed Aug. 2, 1993, now U.S. Pat. No. 5,424,315.