4-Methyl 3-(2-methyl-2-propanyl) (4S,5R)-2,2,5-trimethyl-1,3-oxaz olidine-3,4-dicarboxylate

L-2-氨基丁酸

(S)-(-)-1-苯丙胺

1-苯基丙-1-胺

苯丙酮