129909-32-6 6H-Pyrazolo(1,5-a)pyrrolo(3,2-e)pyrimidine-3-carbonitrile, 8-(1,1-dimethylethyl)-7,8-dihydro-5-methyl- 8-tert-Butyl-6,7-dihydropyrrolo(3,2-e)-5-methylpyrazolo(1,5-a)pyrimidine-3-carbonitrile LP 805 LP-805