前维生素D3 货号:V019007 英文名:Previtamin D3 同义词:Precalciferol;(S)-4-methyl-3-((Z)-2-((1R,3aR,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)cyclohex-3-enol CAS号:1173-13-3 分子式:C27H44O 分子量:384.64 询价订购