Ethyl 3-(2-fluoro-4-methoxyphenyl)propanoate

ethyl 3-(9H-fluoren-2-yl)but-2-enoate

ethyl 3-(3,4,5-trimethoxyphenyl)but-2-enoate

ethyl 4-phenylselanylhex-2-enoate

phenylselenodiethylphosphonoacetate d'ethyle