the preferential addition of a reactive intermediate to one face of a molecule over another
If you need to purchase chemical raw materials, submit your demand information to get the latest quotations.
Phenylsulfanyl-acetic acid 2-oxo-ethyl ester
benzyl 2,3,4-trideoxy-2-N-piperidino-3-(p-tolylsulfinyl)-α-D-erythro-hex-3-enopyranoside
