Abstract: A 2'-deoxy-5-fluorouridine derivative represented by the formula; ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an acetyloxy group or a halogen atom, and n is an integer of 1 to 3.
Abstract: A 2'-deoxy-5-fluorouridine derivative represented by the formula; ##STR1## wherein R represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, an acetyloxy group or a halogen atom, and n is an integer of 1 to 3.