dimethyl 2-(4-phenylbutyl)propanedioate

dimethyl 2-[2-(4-nitrophenyl)ethyl]propanedioate

dimethyl 2,2-bis[2-(4-nitrophenyl)ethyl]propanedioate

1-cyclohex-2-en-1-ylethenylbenzene

(phenyl-2- ethylene) yl-4 cyclohexene trans