DL-2-羟基丁酸

3-溴-2-氧代-丁酸乙酯

(4S)-4-羟基异亮氨酸

(2S,3R,4R)-2-Amino-4-hydroxy-3-methylpentanoic acid (non-preferre d name)

5-ethoxycarbonyl-3-methyl-1H-indole-2-carboxylic acid