1-(2-hydroxy-2-methylpropoxy)-2,2,6,6-tetramethylpiperidin-4-ol

4-amino-2-methylpentan-2-ol

4-甲基-4-苯基-2-戊酮

2,2,4,4,6-pentamethyl-1,3,2-dioxasiline

5-acetyl-2,2,4-trimethyl-3H-pyran-6-one