[(3-diphenylphosphoryl-2-methylpropoxy)-diphenylmethyl]benzene

(2S,3S)-2-phenyl-3-(trityloxymethyl)oxirane

tert-butyl 2-pyridin-4-ylacetate

2-pyridin-4-ylpropanenitrile

2-甲基-2-(4-吡啶)丙腈