p. 6808 - 6817
(2011/12/16)ethyl 5-amino-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylate
acetic anhydride
5-amino-1-(4-chlorophenyl)-1H-pyrazole-4-carboxylic acid
5-amino-1-(4-chlorophenyl)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
(E)-5-(benzylideneamino)-1-(4-chlorophenyl)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
(E)-1-(4-chlorophenyl)-5-(4-methoxybenzylideneamino)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
(E)-1-(4-chlorophenyl)-5-(4-hydroxy-3-methoxybenzylideneamino)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
(E)-1-(4-chlorophenyl)-5-(3,4-dimethoxybenzylideneamino)-6-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one