1-tert-Butyl-3-ethyl-4-phenyl-1-aza-1,3-butadiene

3,5-diethyl-4-phenylpyridine

N-benzyl-N-tert-butylhydroxylamine

1-tert-butyl-3-chloro-2-oxo-4-phenylazetidine-3-carbonitrile

1-benzyl-1-tert-butylhydrazine