2'-deoxy-4,4-di-N-methyl-2'-(9-phenylxanthen-9-ylthio)cytidine

2'-deoxy-2'-mercapto-4,4-di-N-methylcytidine hydrochloride

2'-deoxy-2'-(4-methoxyphenylmethanethio)uridine

1-((2R,3R,4R,5R)-4-hydroxy-5-(hydroxymethyl)-3-((9-phenyl-9H-xanthen-9-yl)thio)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione