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Hess; Messmer Chemische Berichte, 1921 , vol. 54, p. 499,511 Full Text Show Details Zief U.S. Dep. Agric. Bur. agric. ind. Chem. AICChem.Abstr., 1951 , vol. 309 U.S. Dep. Agric. Bur. agric. ind. Chem. AICChem.Abstr., 1952 , p. 4490