16867-03-1
2-氨基-3-羟基吡啶
+
2912-62-1
DL-2-氯-2-苯基乙酰氯
→
~43%
24675-93-2
2-phenyl-4H-pyrido[3,2-b][1,4]oxazin-3-one
37167-62-7
alpha-溴苯基乙酸甲酯
24733-08-2
2-phenyl-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine