75-09-2
二氯甲烷
+
14080-50-3
噻吩并[2,3-d]嘧啶-4(3H)-酮
→
~99%
14080-59-2
4-氯噻吩[2,3-D]嘧啶
79-37-8
草酰氯
~97%
55654-21-2
methyl 2-formylaminothiophene-3-carboxylate
4651-82-5
2-氨基-3-氰基噻吩