维生素D3杂质A 货号:V019001 英文名:Vitamin D3 Impurity A 同义词:(S,E)-3-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexanol CAS号:22350-41-0 分子式:C27H44O 分子量:384.64 询价订购