苯肾上腺素杂质标准品
2-(benzyl(methyl)amino)-1-(3-hydroxyphenyl)ethanone hydrochloride monohydrate
溴己新杂质标准品
6,8-dibromo-3-cyclohexyl-3-methyl-1,2,3,4-tetrahydroquinazolin-3-ium chloride
西替利嗪杂质标准品
(2-(4-(diphenylmethyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride monohydrate
阿奇霉素标准品
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-ethyl-3,4,10-trihydroxy-3,5,6,8,10,12,14-heptamethyl-15-oxo- 11-{[3,4,6-trideoxy-3-(dimethylamino)-β-D-xylo-]oxy}-1-oxa-6-azacyclopentadec-13-yl 2,6-dideoxy-3-C