Large Cluster formation in spatial Moran models in critical dimension via particle representations

New 5-phenylpyrazolo[1,5-a]pyrimidin-7(1H)-ones which have the general formula wherein R1 is lower alkyl, phenyl, phenyl-lower alkyl or cyclo-lower alkyl; R2 is hydrogen, lower alkyl or phenyl; and R4 is hydrogen, halogen, hydroxy, lower alkoxy or amino, are useful for the production of 6-phenyl-2H-pyrazolo[3,4-b]pyridine anti-inflammatory agents.