131543-46-9
alpha-ketodiacetal
+
4506-66-5
1,2,4,5-苯四胺 四盐酸盐
→
~48%
261-43-8
pyrazino[2,3-g]quinoxaline
615-94-1
2,5-二羟基-1,4-苯喹酮
28857-14-9
1,2,3,4-tetrahydro-Pyrazino[2,3-g]quinoxaline