18591-57-6
5,6-二苯基-2-羟基吡嗪
→
~56%
25468-59-1
3-chloro-5,6-diphenyl-1H-pyrazin-2-one
25468-58-0
3-nitro-5,6-diphenyl-1H-pyrazin-2-one
57038-62-7
2,3-dichloro-5,6-diphenylpyrazine
+