diphenyl,dipeptide

1h and 13c nmr spectroscopy of brominated diphenyl ethers.
1,2-diphenyl-1-butanone
3,5-diphenyltoluol
phosphonium, (2,3-dimethyl-1,3-butadienyl)methyldiphenyl
> 1,2-diphenyl-1,2-ethanediamine