186581-53-3
重氮甲烷
+
33543-90-7
4-oxochromene-2-carbonitrile
→
~8%
119584-86-0
2-(2-methyltriazol-4-yl)chromen-4-one
119584-88-2
2-(1-methyltriazol-4-yl)chromen-4-one