DE FAVERI CARLA,DE FAVERI CARLA,STIVANELLO MARIANO,STIVANELLO MARIANO
申请号:
PL12797909
公开号:
PL2788357T3
申请日:
2012.12.06
申请国别(地区):
PL
年份:
2017
代理人:
摘要:
The present invention relates to an improved process for recovery of nalmefene hydrochloride[17-(cyclopropylmethyl)-4,5-alpha-epoxy-6-methylenemorphinan-3,14-diol hydrochloride] from an aqueous composition containing nalmefene and certain impurities.