61751-48-2
5-(1-chloroethenyl)-1H-pyrimidine-2,4-dione
→
~83%
78731-51-8
5-(2-bromo-1-chloroethenyl)-1H-pyrimidine-2,4-dione
77530-00-8
5-(2-bromoethynyl)-1H-pyrimidine-2,4-dione