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- [6] Hydrogen-bonded chains in isostructural 5-methyl-2-(4-methylphenyl)-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine, 2-(4-chlorophenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine and 2-(4-bromophenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo[1,5-a]pyrimidine, and sheets of π-stacked hydrogen-bonded chains in 2-(4-methoxyphenyl)-5-methyl-7,8-dihydro-6H-cyclopenta[g]pyrazolo [1,5-a]pyrimidine ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY, 2005, 61 : O452 - O456
- [8] NEW TRANSFORMATION OF PYRIMIDINE RING IN 6-NITROTRIAZOLO[1,5-A]PYRIMIDINES BY EFFECT OF AMINES KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII, 1989, (02): : 278 - 278