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Pyrimidines

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.

Year introduced: THONZYLAMINE was heading 1972-1984 (Prov 1972)

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Subheadings:

Tree Number(s): D03.383.742

MeSH Unique ID: D011743

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