51991-24-3
→
51991-23-2
N-(2-sulfanylethyl)pyridine-3-carboxamide
59-67-6
烟酸
39262-24-3
3-[N-(2-chloroethyl)carbamoyl]pyridine
6265-73-2
N-(2-羟乙基)烟酰胺
93-60-7
烟酸甲酯
156-57-0
半胱胺盐酸盐
+
20260-53-1
烟酰氯盐酸盐