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1 From the Lilly Research Laboratories, Indianapolis, Indiana
Strophanthidin-3-acetate, -diethylaminoacetate, -propionate, and -n-caproate are more powerful than the parent aglycone, strophanthidin, as shown in cats. By slow intravenous injection, strophanthidin-dichloroacetate and -iso-caproate appear to be equally as active as strophanthidin. Esters with acids beyond 6 C-atoms, in the series studied, have a lower activity than strophanthidin. A few members of the series with lower molecular weights are effectively absorbed in dogs following oral administration.
Submitted on July 28, 1944