5'-O-Tosylthymidine 5'-Tosylthymidine 7253-19-2 BRN 0632553 NSC 69443 Thymidine, 5'-(4-methylbenzenesulfonate) Thymidine, 5'-(4-methylbenzenesulfonate) (9CI) Thymidine, 5'-O-(p-toluenesulfonyl)-