L-缬氨酸苄酯对甲苯磺酸盐

CBZ-L-缬氨酰胺

L-亮氨酰-L-缬氨酸

3-methyl-6-propan-2-ylpiperazine-2,5-dione

prop-2-enyl (2S)-2-hydroxy-3-methylbutanoate