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Its composition was postulated to be t i r 1? t potassium, and R is an alkyl radical containing from 1 to 6 carbon atoms; R can be derived from a lower aliphatic alcohol such as methyl, ethyl, propyl, n-butyl, isobutyl, n-amyl, etc. (US. 2,720,506); a composition consisting of lithium hydride and a glycol-soluble organic salt of cadmium, magnesium, or zinc as described in US. Patent No. 2,681,360.
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