186581-53-3
重氮甲烷
+
57056-40-3
3-chlorocarbonylmethyl-pentanedioyl chloride
→
55756-19-9
1,7-didiazonio-4-(3-diazonio-2-oxidoprop-2-enyl)hepta-1,6-diene-2,6-diolate
57056-39-0
甲烷三乙酸