"(1R,3S,4Z)-4-Methylene-5-[(2E)-2-[(1R,3aS,7aR)-octahydro-1-[(1R,2E)-4-hydroxy-1,4,5-trimethyl-2-hexen-1-yl]-7a-methyl-4H-inden-4-ylidene]ethylidene]-1,3-cyclohexanediol-d3; 1,24-Dihydroxyvitamin D2-d3; 1a,24-Dihydroxyvitamin D2-d3; (1a,3ß,5Z,7E,22E,24?)-9","1a,24-Dihydroxy Vitamin D2-d3","Labelled analogue of 1a,24-Dihydroxyvitamin D2, a naturally occurring metabolite of vitamin D2 (V676040) with low calcemic activity and potent antiproliferative activity. 1a,24-Dihydroxyvitamin D2 is also a metabolite of 1a-Hydroxyvitamin D2 (H995800), a prodrug in development as a treatment for secondary hyperparathyroidism occurring in end stage renal disease.", Stable Isotopes
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