N-(p-toluenesulphonyl)-2,5-dimethoxycarbonyl-1H-azepine

ethyl N-tosyl-2,2-dimethylpropanimidate

N-(1,1-dimethyl-2-ethoxy-2-propenyl)-p-toluenesulfonamide

大茴香醛

α-(p-methoxyphenyl)-α-methylpropionaldehyde 2,4-dinitrophenylhydrazone