{1-[3-(1,3-dioxolan-2-yl)prop-1-yl]piperidin-4-yl}diphenylmethanol

methyl 4-(4-bromo-1-oxobutyl)-α,α-dimethylphenylacetate

methyl 2-(4-(4-bromo-1,1-dimethoxybutyl)phenyl)-2-methyl-propanoate

methyl 2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)-1,1-dimethoxybutyl)phenyl)-2-methyl-propanoate

methyl 2-(4-(4-chloro-1,1-dimethoxybutyl)phenyl)-2-methyl-propanoate