(2S,6S)-6-ethyl-5-methyl-3,6-dihydro-2H-pyran-2-yl carboxylic acid

(2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-(2-((R)-4-oxo-3,4-dihydro-2H-pyran-2-yl)phenoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate

DL-3-羟基丁酸

氯丁二酸

柠檬酸钠