186581-53-3
重氮甲烷
+
14254-57-0
异烟酸酰氯
→
98273-48-4
2-diazonio-1-pyridin-4-ylethenolate
55-22-1
异烟酸
25260-36-0
1-(4-吡啶基)-2-氯乙酮盐酸盐
29800-89-3
吡啶-4-乙酸甲酯
39998-22-6
methyl 2-(1-methylpyridin-4-ylidene)acetate
53289-47-7
2-氯-1-(4-吡啶)乙酮