雷尼替丁杂质标准品
N-(2-(((5-((dimethylamino)methyl)furan-2-yl)methyl)sulfinyl)ethyl)-N'-methyl-2-nitroethene-1,1-diamine
扑热息痛杂质标准品
(3S,4R)-3-((1,3-benzodioxol-5-yloxy)methyl)-4-phenylpiperidine hydrochloride
苯肾上腺素杂质标准品
(4R)-4,8-dihydroxy-N-methyl-1,2,3,4-tetrahydroisoquinoline hydrochloride monohydrate