61578-13-0
1-oxido-2,3-diphenylpyrazin-1-ium
→
~82%
76849-26-8
5-azido-2,3-diphenylpyrazine
41270-66-0
5-氯-2,3-二苯基吡嗪
~81%
1588-89-2
2,3-二苯基哌嗪