846601-53-4
2-diphenylcarbamoyl-nicotinic acid
→
64280-24-6
N,N-diphenylpyridine-3-carboxamide
59-67-6
烟酸
+
122-39-4
二苯胺
10400-19-8
吡啶-3-羧酸酰氯
20260-53-1
烟酰氯盐酸盐