86969-13-3
3,5-dioxo-5-pyridin-3-yl-pentanoic acid ethyl ester
→
~90%
80601-69-0
4-羟基-6-(3-吡啶)-2H-吡喃-2-酮
343947-60-4
3,5-dioxo-5-[3]pyridyl-valeric acid
+
530-62-1
N,N'-羰基二咪唑
~39%
350-03-8
3-乙酰基吡啶
194937-71-8
4-Pentenoic acid, 5-hydroxy-3-oxo-5-(3-pyridinyl)-, ethyl ester
614-18-6
烟酸乙酯
643-91-4
4-methoxy-6-pyridin-3-ylpyran-2-one