[2R-(tert-butoxycarbonyl)-[2R-(tert-butyldimethylsilyloxy)-2-(3-chlorophenyl)ethyl]amino]propionaldehyde

2-(4-aminophenyl)-N-4-methylbenzylacetamide

2-(4-nitrophenyl)-N-4-methylbenzylacetamide

(R)-(-)-3-氯扁桃酸

(R)-3-chloromandelic acid methyl ester