Any heterocyclic compound having a five-membered aromatic ring with two nitrogen heteroatoms at 1 and 2 positions

Preparation and properties of 1:4 (or 1:5)-dimethylglyoxaline and 1:3-dimethylpyrazole / by H.A.D. Jowett and C.E. Potter.

100 years of pyrazolone drugs : an update / edited by K. Brune.

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Pyrazoles

Works from the collections

Preparation and properties of 1:4 (or 1:5)-dimethylglyoxaline and 1:3-dimethylpyrazole / by H.A.D. Jowett and C.E. Potter.

100 years of pyrazolone drugs : an update / edited by K. Brune.