特戊酸碘甲酯

phenoxymethyl 2,2-dimethylpropanoate

头孢他美新戊酯

匹贝卡

头孢卡品酯

对甲苯磺酰胺

阿德福韦酯

(3-oxocyclohexen-1-yl)methyl 2,2-dimethylpropanoate

[(Z)-[1-(2,2-dimethylpropanoyloxymethyl)-3-methylimidazol-2-ylidene]methyl]-oxoazanium,chloride

[(2,2-Dimethylpropanoyl)oxy]methyl (4R,5S,6S)-6-[(1R)-1-hydroxyet hyl]-4-methyl-7-oxo-3-{[(3R)-5-oxo-3-pyrrolidinyl]sulfanyl}-1-aza bicyclo[3.2.0]hept-2-ene-2-carboxylate

头孢妥仑匹酯

N-(2-pivaloyloxy-1-phenylethyl)-4-toluenesulfonamide

2-phenyl-2-(N-pivaloyloxymethyl-p-toluenesulfonamido)ethyl pivalate