methylethyl,

n-[(1,1-dimethylethoxy)carbonyl]glycine 1-methylethyl ester
5]nonane, 2-(1-methylethyl)
2-chloro-6-methyl-n-(1-methylethyl)-4-pyrimidinamine
2,6-bis[(4-azidophenyl)methylene]-4-(1-methylethyl)-1
cyclohexanamine, 4-[4-(1-methylethyl)-1-piperazinyl]