2,4-dichloro-5-fluoropyrimidine
2-chloro-5-fluoropyrimidine
2,4-dichloro-5-fluoro-6-phenyl-pyrimidine
4-chloro-6-(7-dimethylamino-5-azaspiro[2.4]hept-5-yl)-5-fluoro-2(1H)-pyrimidinone hydrazone
5-(2-chloro-5-fluoro-6-hydrazino-4-pyrimidinyl)-N,N-dimethyl-5-azaspiro[2.4]heptan-7-amine