lobucavir [ 2-amino-9-(2,3-bis(hydroxymethyl)cyclobutyl)-1,9-dihydro-6H-purin-6-one,9-(2,3-bis-(hydroxymethyl)-1-cyclobutyl)guanine,BMS 180194,BMS-180194,C-OXT-G,SQ 33054,SQ 34514,SQ-33054,carbocyclic oxetanocin G,SQ-34,514,cyclobut-G ] structure given in first source; inhibits the replication of HIV virus in T cells, monocytes & macrophages in vitro by inhibiting DNA polymerase and viral DNA synthesis