1-tert-butyl-3-cyclohexyl-1-hydroxyurea

2-甲基-2-硝基丙烷

N-叔丁基-Alpha-(4-硝基苯基)硝酮

N-tert-butyl-N-hydroxybenzamide

[tert-butyl-(4-methylbenzoyl)amino] 4-methylbenzoate