methyl 4-methylpenta-2,4-dienoate

甲基6,6-二甲基双环[3.1.1]庚-2-烯-2-丁酸酯

dimethyl 4-cyano-4-phenylheptanedioate

methyl 4-cyano-4-phenylbutanoate

1-(tert-butyl) 6-methyl 3-cyano-3-phenylhexanedioate