Chemistry is traditionally divided into organic and inorganic chemistry. HPLC of Formula: C4H5N3, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 20744-39-2
A new method of amination of diazines and triazines, using potassium amide, liquid ammonia and potassium permanganate, has been described.
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Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N156 – PubChem