Pyrimidines
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A family of 6-membered heterocyclic compounds occurring in nature in a wide variety of forms. They include several nucleic acid constituents (CYTOSINE; THYMINE; and URACIL) and form the basic structure of the barbiturates.     
SubstanceCAS Registry & nameCategoriesSourceDrugs*
fenarimol [ alpha-(2-chlorophenyl)-alpha-(4-chlorophenyl)-5-pyrimidinemethanol,Rubigan 12 RC,Rubigan-4 ] 60168-88-9   *Pyrimidines
Pharma Action Fungicides, Industrial
J Gen Microbiol 1981;126(Pt.2):483