most of these therapies can be divided into two major groups : ( 1 ) the first group includes agents with antiretroviral properties : nucleoside analogues , such as 2'-3'-dideoxycytidine and ribavirin , suramin , antimoniotungstate ( heteropolyanion-23 ) , foscarnet ( phosphonoformate ) , interferons , peptide t , castanospermine , dextran sulfate , al721 , or ampligen .
C1579410
nucleoside analogues
C0035525
ribavirin