ethyl 4-(4-bromophenyl)-3-methylbut-2-enoate

ethyl 2-hydroxy-2-(1-hydroxy-3-methylnaphthalen-2-yl)acetate

ethyl 2-tert-butoxy-2-(1-hydroxy-3-methylnaphthalen-2-yl)acetate

ethyl 2-tert-butoxy-2-(4-fluoro-1-hydroxy-3-methylnaphthalen-2-yl)acetate

ethyl 2-tert-butoxy-2-(4-fluoro-3-methyl-1-(trifluoromethylsulfonyloxy)naphthalen-2-yl)acetate