苯肾上腺素杂质标准品
4,6-dihydroxy-1-(hydroxymethyl)-N-methyl-1,2,3,4-tetrahydroisoquinoline
苯肾上腺素杂质标准品
2-(benzyl(methyl)amino)-1-(3-hydroxyphenyl)ethanone hydrochloride monohydrate
阿莫西林杂质
阿莫西林杂质 阿莫西林杂质A Amoxicillin Impurity A (Sulbactam Impurity B) CAS No. 551-16-6 C8H12N2O3S M.W. 216.26 阿莫西林杂质B Amoxicillin
吡喹酮标准品
(RS)-2-(Cyclohexylcarbonyl)- 1,2,3,6,7,11b-hexahydro-4H- pyrazino[2,1-a]isoquinolin-4-one