A hydrogen-bonded chain of rings in 7-amino-5-<i>tert</i>-butyl-2-methylpyrazolo[1,5-<i>a</i>]pyrimidine, and a hydrogen-bonded framework structure in 3,7-diamino-2,5-dimethylpyrazolo[1,5-<i>a</i>]pyrimidine monohydrate
Acta crystallographica. Section C, Crystal structure communications/Acta crystallographica. Section C, Crystal structure communications.