(α-nitro-benzylidene)-(4-nitro-phenyl)-hydrazine

(Z)-(4-chlorophenyl)-ethoxycarbonylimino-oxidoazanium

isobutyric acid N'-phenyl-hydrazide

2,6-diamino-2,6-dimethyl-heptan-4-one

2,2,4,4-四甲基-3-戊酮