4-氯噻吩并[3,2-d]嘧啶

噻吩并[3,2-d]嘧啶

4-肼基噻吩并[3,2-d]嘧啶

7-bromo-4-hydrazino-thieno[3,2-d]pyrimidine

7-溴-4-氯噻吩并[3,2-d]嘧啶