tritert-butyl but-1-ene-1,2,4-tricarboxylate

tert-butyl 3-(4-cyanophenyl)prop-2-enoate

tert-butyl (3S,αR)-3-[N-benzyl-N-(α-methylbenzyl)amino]-3-(3',5'-difluorophenyl)propanoate

2-(2-(tert-butoxy)-2-oxoethyl)propane-1,3-diyl diacetate

tert-butyl (3R,αS)-3-[N-benzyl-N-(α-methylbenzyl)-amino]-3-(4'-methoxyphenyl)propanoate