英文别名9,10-Secocholesta-5(10),6,8-trien-3-ol, (3.beta.,6E); (6E)-9,10-Secocholesta-5(10),6,8-trien-3β-ol; (1S)-3-[(E)-2-[(1R,3aR,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-1,2,3,3a,6,7-hexahydroinden-4-yl]ethenyl]-4-methyl-cyclohex-3-en-1-ol; Cholecalciferol Impurity 5; Cholecalciferol EP Impurity E; (3beta,6E)-9,10-Secocholesta-5(10),6,8-trien-3-ol; (S)-4-Methyl-3-((E)-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 
