19f nuclear magnetic resonance was used for the analysis of flucytosine ( fc ; 5-fluorocytosine ) metabolites in biological fluids of a patient with cryptococcal meningitis who was intravenously injected with this drug at a daily dose of 7.5 g ( 2.5 g at 8-hr intervals ) .
C0016278
5-fluorocytosine
C0085436
cryptococcal meningitis