62009-47-6
2-氨基丙二酰胺
+
431-03-8
2,3-丁二酮
→
90000-71-8
5,6-二甲基-3-氧代-3,4-二氢吡嗪-2-羧酰胺
43029-21-6
3-氨基-5,6-二甲基吡嗪-2-醇
53114-83-3
5,6-dimethylpyrazine-2,3-diamine
57796-64-2
5,6-DIMETHYL-3-OXO-3,4-DIHYDRO-PYRAZINE-2-CARBOXYLIC ACID
39213-71-3
3-Chloro-5,6-dimethylpyrazin-2-amine