Flucytosine Impurity 1

Chemical Name: 4-Chloro-5-fluoro-2-methoxypyrimidine

Synonym: (1R,2S,4R)-2-(((1S,2S)-2-chloro-1-((2R,3R,4S,5R,6R)-3,4-dihydroxy-6-(methylsulfinyl)-5-(phosphonooxy)tetrahydro-2H-pyran-2-yl)propyl)carbamoyl)-1-methyl-4-propylpyrrolidine 1-oxide