(NE)-N-(3-methylbutan-2-ylidene)hydroxylamine

2-羟基-3,5,6-三甲基-1H-吡啶-4-酮

3-甲基-2-丁酮

2-甲基-1-丁烯-3-酮

N-(3-methylbut-3-en-2-ylidene)hydroxylamine