26820-94-0
→
~87%
21256-18-8
奥沙普秦
451-40-1
二苯基乙酮
~80%
108-30-5
丁二酸酐
+
119-53-9
2-羟基-2-苯基苯乙酮
~65%
24248-42-8
4-oxo-4-(2-oxo-1,2-diphenylethoxy)butanoate