2,2-二甲基丙酸苯酯

2-[4-[(4-chlorophenyl)methyl]phenoxy]propanoyloxymethyl 2,2-dimethylpropanoate

2,2-二甲基丙酸丁酯

(4,4-dimethyl-2,5-dioxoimidazolidin-1-yl)methyl pivalate

(S)-(+)-4-(2,3-dichlorophenyl)-1,4-dihydro-1-(methoxymethyl)-2,6-dimethyl-5-pivaloyloxymethoxycarbonyl-3-pyridinecarboxylic acid