3-氧丁酸

2-hydroxy-4-oxo-2-(2-oxo-ethyl)-butyric acid methyl ester

无水柠檬酸单钠盐

柠檬酸三乙酯

2-(acetylthio)ethyl 3-((2R)-4-(((((((2R,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-4-hydroxy-3-(phosphonooxy)tetrahydrofuran-2-yl)methoxy)(hydroxy)phosphoryl)oxy)(hydroxy)phosphoryl)oxy)-2-hydroxy-3,3-dimethylbutanamido)propanoate