Compounds having the formula: wherein R1-R5 are independently selected from hydrogen, alkyl of 1 to 6 carbon atoms, alkenyl of 2 to 6 carbon atoms, alkynyl of 2 to 6 carbon atoms, perhaloalkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, heterocycloalkyl of 3 to 10 carbon members, aryl, heteroaryl, halogen, —CN, —NO2, —CO2R6, —COR6, —OR6, —SR6, —SOR6, —SO2R6, —CONR7R8, —NR6N(R7R8), —N(R7R8) or W-Y-(CH2)n-Z provided that at least one of R1-R5 is not hydrogen; or R1 and R2 or R3 and R4, taken together form a 3 to 7 membered heterocycloalkyl or 3 to 7 membered heteroaryl; R6 and R7 are independently hydrogen, alkyl of 1 to 6 carbon atoms, perhaloalkyl of 1 to 6 carbon atoms, or aryl; R8 is hydrogen, alkyl of 1 to 6 carbon atoms, perhaloalkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 10 carbon atoms, heterocycloalkyl of 3 to 10 members, aryl or heteroaryl, or R7 and R8, taken together may form a 3 to 7 membered heterocycloalkyl; W is O, NR6, or is absent; Y is —(CO)— or —(CO2)—, or is absent; Z is alkyl of 1 to 4 carbon atoms, —CN, —CO2R6, COR6, —CONR7R8, —OCOR6, —NR6COR7, —OCONR6, —OR6, —SR6, —SOR6, —SO2R6, SR6N(R7R8), —N(R7R8) or phenyl; G is aryl or fused bicyclic heteroaryl; X is a bond, —NH, alkyl of 1 to 6 carbon atoms, alkenyl of 1 to 6 carbon atoms, alkoxy of 1 to 6 carbon atoms, thioalkyl of 1 to 6 carbon atoms, alkylamino of 1 to 6 carbon atoms, or (CH)J; J is alkyl of 1 to 6 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, phenyl or benzyl; and n is an integer from 1 to 6; useful in the treatment of diseases associated with herpes viruses including human cytomegalovirus, herpes simplex viruses, Epstein-Barr virus, varicella-zoster virus, human herpesviruses-6 and -7, and Kaposi herpesvirus.