Oseltamivir intermediate,98% up Full name :ETHYL(3R,4S,5S)-4,5-EPOXY- 3-(1- ... -PROPOXY)CYCLOHEX-1-ENE- 1-CARBOXYLATE Oseltamivir intermediate CAS 204254-96-6Full name:ETHYL(3R,4S,5S)-4,5-EPOXY-3 ... of Fischer Chemicals AG (Switzerland) Oseltamivir intermediate CAS NO:204254-96-6