4-(1-hydroxy-2,2-dimethylpropyl)benzaldehyde

N-[(2,2-dimethyl-1-phenylpropylidene)amino]-2,4-dinitroaniline

1-tert-butyl-3-(2-methylbut-3-yn-2-yl)urea

1-hydroxy-3,3-dimethyl-1-phenylbutan-2-one

S-phenyl 2,2-dimethylpropanethioate