邻甲苯海明杂质标准品
(RS)-N,N-dimethyl-N-(2-((4-methylphenyl)(phenyl)methoxy)ethyl)amine hydrochloride
倍他米松杂质
倍他米松杂质 倍他米松杂质A Betamethasone 17-Propionate CAS No. 5534-13-4 C25H33FO6 M.W. 448.54 倍他米松杂质B 21-Hemiacetal Betametha
藁本内酯
产品名称: 藁本内酯; 3-丁烯基-4,5-二氢-1(3H)-异苯并呋喃酮 英文名: Ligustilide 别名: 3-Butylidene-4,5-dihydrophthalide; 3-Butylidene-4,5-d