r-3-hydroxy-2,2,c-4-trimethyl-3-phenylcyclobutanone

苯丙酮

2,2,4-trimethyl-5-phenylfuran-3(2H)-one

苯甲酸

6-hydroxy-3,3,5-trimethyl-6-phenyl-1,2-dioxan-4-one