| 4H 2O 13478-10-9 FeCl 3 7705-08-0 FeCl 3• 2H 2O 16399-77-2 FeCl 2• 2H 2O 10326-27-9 BaCrO 4 10294-40-3 BaF 2 7787-32-8 BaI 2 13718-50-8 BaI 2• Chai, Yan; Guo, Ting; Jin, Changming; Haufler, Robert E | Felipe; Fure, Jan; Wang, Lihong; Alford, J |
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| "On a system of indexing chemical literature; Adopted by the Classification Division of the U |