the anionic compound pmea [ 9- ( 2-phosphonyl-methoxyethyl ) adenine ] , the 2 ' 3'-dideoxynucleoside analogues d4t ( 2',3-deidehydro-2',3'-dideoxythymidine ) , azddurd 3'-azido-2',3'-dideoxyuridine ) , fddurd ( 3'-fluoro-2',3-dideoxyuridine ) , azdddapr ( 3'-azido-2',3'-dideoxy-2,6 ' diaminopurine riboside ) and the sulfated polysaccharides dextran sulfate and pentosan polysulfate are among the most promising candidate anit-aids drugs which have been recently described .
C0003075
anionic
C0038720
sulfate