3,3-dimethylbutan-2-ylidenehydrazine

tert-butyl-methyl-hydrazone

2-methoxy-2,5-dimethyl-5-(1,1-dimethylethyl)-Δ3-1,3,4-oxadiazoline

频哪酮

1-acetyl-2-(3,3-dimethyl-2-butylidene)hydrazine