methyl 2-methyl-2-((2,2,6,6-tetramethylpiperidin-1-yl)oxy)propanoate

对甲基苯甲酸甲酯

2,2,6,6-tetramethylpiperidino p-methylbenzoate

2,2,6,6-四甲基哌啶

二乙基二硫醚