D-缬氨酸

二碳酸二叔丁酯

2-[[(tert-butoxycarbonyl)oxy]imino]-2-phenylacetonitrile

tert-butyl ((R)-1-((4S,5S)-2,2-dimethyl-5-phenyl-1,3-dioxolan-4-yl)-2-methylpropyl)carbamate

tert-butyl ((R)-1-((4S,5S)-5-benzyl-2,2-dimethyl-1,3-dioxolan-4-yl)-2-methylpropyl)carbamate