On the Hilbert-Johnson procedure for pyrimidine nucleoside synthesis.
D055598:Chemical Phenomena; D002621:Chemistry; D006219:Halogens; D009705:Nucleosides / Q000138:chemical synthesis*; D011743:Pyrimidines; D013057:Spectrum Analysis
D006219:Halogens; D009705:Nucleosides; D011743:Pyrimidines