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Pyrimidine vs Pyrazine - What's the difference?

pyrimidine | pyrazine |

In organic compound terms the difference between pyrimidine and pyrazine

is that pyrimidine is a diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA, thymine, uracil and cytosine while pyrazine is a diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.

pyrimidine

English

Noun

(wikipedia pyrimidine) (en noun)
  • (organic compound) A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA, thymine, uracil and cytosine

    • pyrazine

    English

    (wikipedia pyrazine)

    Noun

    (en noun)
  • (organic compound) A diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.