15231-78-4
2,2-二甲基-5-苯基-1,3-二氧杂环乙烷-4,6-二酮
+
100-39-0
溴化苄
→
~94%
109687-35-6
5-benzyl-2,2-dimethyl-5-phenyl-1,3-dioxane-4,6-dione
3709-27-1
α-benzyl Meldrum's acid
1483-72-3
二苯基碘酰氯
~90%