methyl (S,E)-2-(phenylsulfinyl)but-2-enoate

正丁基锂

4-methoxymethyl-5-phenyl-2-propenyl-4,5-dihydro-oxazole

正溴丁烷

(R)-(+)-N-(1-ethyl-2-hydroxy)ethyl-N-(2-fluorobenzyl) crotonamide