ergocalciferol , cholecalciferol , 25-hydroxycholecalciferol ( calcifediol ) , dihydrotachysterol , 1 alpha-hydroxycholecalciferol ( alfacalcidol ) , and 1,25-dihydroxycholecalciferol ( calcitriol ) are currently the most commonly used vitamin d metabolites .
C0008318
cholecalciferol
C0006674
calcitriol