苯肾上腺素杂质标准品
(4R)-4,8-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride monohydrate
苯肾上腺素杂质标准品
3-(carboxymethyl)-6-(3-hydroxyphenyl)-4-methyl-2-oxomorpholin-4-ium chloride
扑尔敏杂质标准品
(3RS)-(3-(4-chlorophenyl)-3-(pyridin-2-yl)propyl)dimethylamine-N-oxide maleate