1407097-26-0

Paricalcitol-4 Paricalcitol Impurity 6 tert-butyl(((1R,3aR,7aR)-1-((2R,5S,E)-5,6-dimethyl -6-((tetrahydro-2H-pyran-2-yl)oxy)hept-3-en-2-yl) -7a-methyloctahydro-1H-inden-4-yl)oxy)dimethylsil tert-butyl(((1R,3aR,7aR)-1-((2R,5S,E)-5,6-dimethyl -6-((tetrahydro-2H-pyran-2-yl)oxy)hept-3-en-2-yl) -7a-methyloctahydro-1H-inden-4-yl)oxy)dimethylsilane tert-Butyl(((1R,3aR,4S,7aR)-1-((2R,5S,E)-5,6-dimethyl-6-((tetrahydro-2H-pyran-2-yl)oxy)hept-3-en-2-yl)-7a-methyloctahydro-1H-inden-4-yl)oxy)dimethylsilane Paricalcitol impurity 4/tert-butyl(((1R,3aR,7aR)-1-((2R,5S,E)-5,6-dimethyl -6-((tetrahydro-2H-pyran-2-yl)oxy)hept-3-en-2-yl) -7a-methyloctahydro-1H-inden-4-yl)oxy)dimethylsilane