4-氯-6-哌啶-5-嘧啶甲醛

4-Chloro-6-(methylamino)-5-pyrimidinecarbaldehyde

4-氯-1-(对甲苯)-1H-吡唑并[3,4-d]嘧啶

4-氯-1H-吡唑并[3,4-d]嘧啶

4-氨基-5-氰基-6-氯嘧啶