丙酮酸甲酯

3,3-二甲基丁酰氯

2,2,5,5-Tetramethyl-3-hexanone

2,2,6,6-四甲基哌啶

2,2,5,5-tetramethyl-4-oxohexan-3-yl 2,2,2-trifluoroacetate