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
氟**醇标准品
4-[4-(4-chlorophenyl)-4-hydroxy-1-piperidyl]-1-(4-fluorophenyl)-butan-1-one
苯肾上腺素杂质标准品
2-hydroxy-N-((2R)-2-hydroxy-2-(3-hydroxyphenyl)ethyl)-N-methylacetamide
丹参酮ⅡA
【名称】丹参酮ⅡA 【英文名】Tanshinone II A 【分子式】C19H18O3 【分子量】294.34442 【CAS号】568-72-9 【性状】桔红色针状结晶