N,N'-羰基二咪唑

(R)-3-hydroxy-3-methyl-2-phenylbutanoic acid

(S)-N-tert-butyloxycarbonyl-β,β-dimethylphenylglycinol

(4S)-5,5-dimethyl-4-phenyl-3-(3-phenylpropanoyl)-1,3-oxazolidin-2-one

(4S,1'E)-3-(2'-phenylethenyl)-5,5-dimethyl-4-phenyloxazolidin-2-one