Assertion: vitamin d | /r/HasProperty | cholecalciferol
Facets:
Source sentences:
text: Second, previtamin D 3 spontaneously isomerizes to vitamin D 3 (cholecalciferol) in an antarafacial sigmatropic  hydride shift.
text: Vitamin D 3 (cholecalciferol) is produced industrially by exposing 7-dehydrocholesterol to UVB light, followed by purification.
text: Vitamin D 2 (ergocalciferol) and vitamin D 3 (cholecalciferol) share a similar mechanism of action as outlined above.
text: Vitamin D 3 (cholecalciferol) is synthesized in the skin by transformation of 7-dehydrocholesterol exposed to ultraviolet B rays of the midday sun.