(E)-3-methylpent-2-enedioic acid

3-乙酰氧基-3-甲基戊烷-1,5-二酸酸酸酐

3-羟基-3-甲基谷氨酸

7-(carboxymethyl)-1,4-dioxaspiro[4.5]dec-7-ene-8-carboxylic acid

3-羟基-3-甲基-戊二酸二乙酯