骨化二醇EP杂质B 货号:C084003 英文名:Calcifediol EP Impurity B 同义词:(3S,9S,10R,13R)-17-((R)-6-hydroxy-6-methylheptan-2-yl)-10,13-dimethyl-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol CAS号:22145-68-2 分子式:C27H44O2 分子量:400.64 询价订购