占吨酮

tert-butyl rac-4,4-dimethyl-3-oxo-2-(9H-xanthen-9-yl)pentanoate

5-tert-butyl-4-(2,2-dimethylpropanoyl)furan-2,3-dione

(2,2,6,6-四甲基-3,5-庚二酮)锂

3,5-二叔丁基-1H-吡唑