4,6-dichloro-5-((2-(4-chlorophenyl)hydrazono)methyl)pyrimidine

4-chloro-2-(4-chlorophenyl)-2H-pyrazolo[3,4-d]pyrimidine

1-(4-氯苯基)-1,5-二氢-4H-吡唑并[3,4-d]嘧啶-4-酮

4-氯-1-苯基-1H-吡唑并[3,4-d]嘧啶