452-58-4
2,3-二氨基吡啶
+
78-98-8
丙酮醛
→
~89%
83769-56-6
3-methylpyrido[2,3-b]pyrazine
116-09-6
羟基丙酮
74983-05-4
3-methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazine
83769-57-7
methyl-3 tetrahydro-5,6,7,8 pyrido[2,3-b]pyrazine