扑尔敏杂质标准品
2-(4-chlorophenyl)-4-dimethylamino-2-(2-dimethylaminoethyl)butyronitrile dihydrochloride
苯肾上腺素杂质标准品
2-hydroxy-N-((2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylacetamide
扑尔敏杂质标准品
2-(4-chlorophenyl)-4-dimethylamino-2-(2-dimethylaminoethyl)butyronitrile dihydrochloride
苯肾上腺素杂质标准品
2-hydroxy-N-((2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylacetamide