N,N-dimethyl-formamide dimethyl acetal
isopropyl alcohol
Bis(dimethylamino)acetonitrile
sodium isopropylate
N,N-Dimethyl-N'-(p-chlorophenyl)formamidine
N2-m-methylphenyl-N1,N1-dimethylformamidine
5,7-dimethyl-2-(1-phenyl-vinyl)-2,7-dihydro-pyrazolo[3,4-d]pyrimidine-4,6-dione
5,7-dimethyl-2-(1-p-tolyl-vinyl)-2,7-dihydro-pyrazolo[3,4-d]pyrimidine-4,6-dione
2-[1-(4-chloro-phenyl)-vinyl]-5,7-dimethyl-2,7-dihydro-pyrazolo[3,4-d]pyrimidine-4,6-dione