MeSH note : a derivative of TIBO (tetrahydroimidazo(4,5,1-jk)(1,4)-benzodiazepin-2(1H)-thione);
differs from R82193 only in the positioning of a single chlorine molecule; not active
against murine retrovirus but is 10-fold more potent than R82193 in inhibiting HIV-1
replication;