| http://www.w3.org/ns/prov#value | - A method for the treatment of a patient having a condition caused by an iron dependent parasite which comprises administering to that patient a therapeutically effective amount of a 3-hydroxypyridin-4-one of formula (I) ##STR6## in which R1 is a C3 or C4 hydroxyalkyl group in which the hydroxy group is terminally substituted on the alkyl group, R2 is methyl or ethyl and R3 and R4 are each separate
|
