Pyrimidine is an aromatic heterocyclic organic compound similar to pyridine. One of the three diazines (six-membered heterocyclics with two nitrogen atoms in the ring), it has the nitrogen atoms at positions 1 and 3 in the ring.:250 The other diazines are pyrazine (nitrogen atoms at the 1 and 4 positions) and pyridazine (nitrogen atoms at the 1 and 2 positions). In nucleic acids, three types of nucleobases are pyrimidine derivatives: cytosine (C), thymine (T), and uracil (U).
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2-Chloro-5-methylpyrimidine (22536-61-4)
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2,4-Dichloro-5-(trifluoromethyl)pyrimidine (3932-97-6)
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2-chloro-5-aminopyrimidine (56621-90-0)
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2-Chloropyrimidine-5-carboxylic acid (374068-01-6)
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2,4-Dichloro-pyrimidine-5-carboxylic acid ethyl ester (28485-17-8)
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4,6-Dichloropyrimidine-2,5-diamine (55583-59-0)
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5-bromo-2-(trifluoromethyl)pyrimidine (799557-86-1)
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5-Bromo-2-chloropyrimidine (32779-36-5)
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5-Bromopyrimidine (4595-59-9)
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