56088-28-9
噻吩并[2,3-b]吡嗪
→
~83%
59944-74-0
7-氯噻吩并[2,3-b]吡嗪
59944-80-8
7-chloro-thieno[2,3-b]pyrazine-6-carboxylic acid ethyl ester
56881-21-1
7-氨基噻吩并[2,3-B]吡嗪-6-羧酸乙酯