Nβ-tert.-Butyloxycarbonyl-DL-α-hydrazino-β-phenyl-propionsaeure-ethylester
2-(tert-butoxycarbonylamino)-2-phenylacetonitrile
N'-phenethyl-hydrazinecarboxylic acid tert-butyl ester
t-butyl N-benzenesulfanyl-N-(1,2-propadienyl)carbamate
racemic methyl phenyl sulfoxide