Research Article

Gas Chromatography Electron Ionization Mass Spectral Analysis of Thio Analogues of Pyrimidine Bases: 5-Bromo-2,4-di-o-(m- and p-) chloro- (bromo-)benzylthiouracils and 6-methyluracils

Figure 4

GC retention times depending on molecular weight of compounds studied and location of substituents in the aromatic ring.
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