聚(4-羟基-2,2,6,6-四甲基-1-哌啶乙醇-alt-1,4-丁二酸)

聚(4-羟基-2,2,6,6-四甲基-1-哌啶乙醇-alt-1,4-丁二酸), United States Pharmacopeia (USP) Reference Standard

聚(4-羟基-2,2,6,6-四甲基-1-哌啶乙醇-alt-1,4-丁二酸), pharmaceutical secondary standard, certified reference material