CAS Number: 2927-71-1
Chemical Name: 2,4-Dichloro-5-fluoropyrimidine
Molecular Formula: C4HCl2FN2
Molecular Weight: 166.96

CAS Number: 155-10-2
Chemical Name: 4-Amino-2-chloro-5-fluoropyrimidine
Molecular Formula: C4H3ClFN3
Molecular Weight: 147.54

CAS Number: 51-21-8
Chemical Name: Fluorouracil
Molecular Formula: C4H3FN2O2
Molecular Weight: 130.08

CAS Number: 2022-85-7
Chemical Name: Flucytosine
Molecular Formula: C4H4FN3O
Molecular Weight: 129.09