Brian W. Heinrich,Da-Ming Gou,Mahmoud Mirmehrabi,Bernhard Paul,Daniel James Coughlin
申请号：
US14773628
公开号：
US09815844B2
申请日:
2014.03.10
申请国别(地区):
US
年份:
2017
代理人:
摘要：
Compositions comprising hydrocodone benzoic acid enol ester to form novel prodrugs including hydrocodone benzoic acid enol ester salts, and various polymorphs. Also provided are processes for the preparation of hydrocodone benzoic acid enol ester salts, and various polymorphs.
