苯肾上腺素杂质标准品
3-(carboxymethyl)-6-(3-hydroxyphenyl)-4-methyl-2-oxomorpholin-4-ium chloride
苯肾上腺素杂质标准品
2-(benzyl(methyl)amino)-1-(3-hydroxyphenyl)ethanone hydrochloride monohydrate
西替利嗪杂质标准品
(RS)-2-(4-((4-chlorophenyl)phenylmethyl)piperazin-1-yl)ethanol dihydrochloride