7216-40-2
1-oxidopyridin-1-ium-2-carbaldehyde
+
23095-32-1
[(3,4-dimethoxyphenyl)sulfonyl]hydrazide
→
~74%
73736-93-3
Benzenesulfonic acid, 3,4-dimethoxy-, (2-pyridinylmethylene)hydrazide, N-oxide