Calcitriol - Impurity B

66791-71-7

(1R,3R,Z)-5-(2-((1R,3aS,7aR,E)-1-((R)-6-Hydroxy-6-methylheptan-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol; 1-epi-Calcitriol; 1-Epicalcitriol; (5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1β,3β,25-triol; Epi-Calcitriol (USP);