?-2-异丙基琥珀酸甲酯

2-异丙基丁二酸

(2R)-2-isopropyl-4-oxo-4-phenylbutanoic acid

(S)-3-Methyl-2-(2-oxo-2-phenyl-ethyl)-butyric acid

(R)-3-Methyl-2-(2-morpholin-4-yl-2-oxo-ethyl)-butyric acid