2-methyl-5-(2-methylbutan-2-yl)benzene-1,4-diol

2-methyl-N-(2-methylbutan-2-yl)prop-2-enamide

2-氟-2-甲基丁烷

3,4-二甲基-3-戊烯-2-酮

4-chloro-3,4-dimethyl-2-pentanone