扑尔敏杂质标准品
(2RS)-2-(4-chlorophenyl)-4-dimethylamino-2-pyridin-2-ylbutyronitrile hydrochloride
苯肾上腺素杂质标准品
3-(carboxymethyl)-6-(3-hydroxyphenyl)-4-methyl-2-oxomorpholin-4-ium chloride
法莫替丁标准品
3-([2-(diaminomethyleneamino) thiazol-4-yl]methylthio)-N'-sulfa-moylpropanimidamide