104515-24-4
2-bromo-5-ethoxycarbonyl-4-hydroxythieno[2,3-b]pyridin-6(7H)-one
→
~62%
104515-12-0
2-bromo-4-hydroxythieno[2,3-b]pyridin-6(7H)-one
99429-80-8
4,6-二氯噻吩并[2,3-b]吡啶