. . . . "Hidetoshi Yoshioka, Eiji Kojima, Shuji Ishida, Hiroyuki Yoshioka, Kunichika Murakami, \"2',3'-dideoxy-4-thio-uridine derivatives, process for their preparation and antivirus agents using them.\" U.S. Patent US4954485, issued June, 1970."@en . . . . . . . . . "experimental"@en . . . . "58-96-8"@en . . . . . . . . . . . . . . . . . . . . . . . . "Uridine"@en . .