186581-53-3
重氮甲烷
+
35029-03-9
4-methylcyclopentane-1,3-dione
→
7180-61-2
3-methoxy-4-methylcyclopent-2-en-1-one
4505-54-8
3-甲基环戊烷-1,2,4-三酮
7180-62-3
4-methoxy-5-methylcyclopent-4-ene-1,3-dione