24690-42-4
4-nitrophenyl nicotinate
+
77-86-1
三羟甲基氨基甲烷
→
59-67-6
烟酸
100-02-7
4-硝基苯酚
78348-28-4
(2,5-dioxopyrrolidin-1-yl) pyridine-3-carboxylate
6323-83-7
N-(2-Hydroxy-1,1-bis-hydroxymethyl-aethyl)-acetamid