3,3,6,6-tetramethyl-9-(3-nitrophenyl)-4,5,7,9-tetrahydro-2H-xanthene-1,8-dione

2,4-二甲基-4-苯基-2-戊醇

4-methyl-4-trimethylsilyloxypentan-2-one

7,7,8,8,9,9,9-七氟-2-甲基-壬-2-烯-4,6-二酮

4-methyl-1-phenylpent-3-en-2-one