63181-13-5

1β-Calcidol 1β-Calcidol 1Beta-Calcidol 1β-Hydroxy VitaMin D3 Alfacalcidol Impurity B IMpurity B of Alfacalcidol Alfacalcidol EP Impurity B (1-beta-Calcidol) Alfacalcidol Impurity 2（Alfacalcidol EP Impurity B） (5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1?,3?-diol 9,10-Secocholesta-5,7,10(19)-triene-1,3-diol, (1β,3β,5Z,7E)- (9CI) (1S,3S,Z)-5-((E)-2-((1R,3AS,7aR)-7a-Methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol (1R,3R,Z)-5-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol (1R,3R,Z)-5-((E)-2-((1R,7aR)-7a-Methyl-1-((R)-6-Methylheptan-2-yl)dihydro-1H-inden-4(2H,5H,6H,7H,7aH)-ylidene)ethylidene)-4-Methylenecyclohexane-1,3-diol