1alpha-Hydroxyvitamin D3 (26,26,26,27,27,27-d6)

References:
Kattner L, Volmer DA: Synthesis of Low Abundant Vitamin D Metabolites and Assaying Their Distribution in Human Serum by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) as a New Tool for Diagnosis and Risk Prediction of Vitamin D related Diseases
In: A Critical Evaluation of Vitamin D - Basic Overview, Sivakumar Gowder (editor),
Intech publishers, Rijeka. 2017;103-127.