2-cyano-3-methyl-3-phenyl-butyric acid ethyl ester

2-(2-phenylpropan-2-yl)malonic acid

diethyl 2-(2-phenylpropan-2-yl)propanedioate

2,3-二甲基-2,3-二苯基丁烷

2,4-二苯基-4-甲基-1-戊烯