Methyl 3-isocyanatothiophene-2-carboxylate

7-溴噻吩并[3,2-D]嘧啶-4(1H)-酮

7-溴-4-氯噻吩并[3,2-d]嘧啶

3-氯噻吩-2-甲酰氯

2-氯-4-(4-吗啉)-噻吩并[3,2-d]嘧啶-6-羧醛