3-tert-butylcarbonyl-6-tert-butylpyridine

2,2-dimethyl-1-pyridin-3-ylpropan-1-one

3-tert-butylcarbonyl-4-tert-butyl-1,4-dihydropyridine

3-methoxycarbonyl-6-tert-butyl-1,6-dihydropyridine

1-(2-aminophenyl)-2,2-dimethylpropan-1-one