西替利嗪杂质标准品
(2-(4-(diphenylmethyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride 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
邻甲苯海明杂质标准品
(RS)-N,N-dimethyl-N-(2-((4-methylphenyl)(phenyl)methoxy)ethyl)amine hydrochloride