3'-azido-2',3'-deoxythymidine
3'-azido-3-[N-15-[6-(3,5-dimethylphenylthio)-5-ethyl-1-(5-oxopentyl)uracil]-4,15-diaza-3-oxopentadecanyl]-3'-deoxy-5'-O-(thexyldimethylsilyl)thymidine
3'-N''-(3'''-azido-3'''-deoxythymid-3''-yl)-3'-deoxythymidine
3'-Carbylamino-3'-deoxythymidine
3'-N-cyano-O-isophenylurea-3'-deoxythymidine