99429-68-2
ethyl 4-hydroxy-6-oxo-7H-thieno[2,3-b]pyridine-5-carboxylate
→
~91%
99429-78-4
4-羟基噻吩[2,3-b]吡啶-6(7h)-酮
99429-79-5
~64%
59739-05-8
2-氨基噻吩-3-甲酸叔丁酯
99429-66-0