Gitoformate (AC 2770) is a semisynthetic cardiac glycoside. Gitoformate can be used for renal function research[1].
A poison by ingestion, subcutaneous, and intravenous routes. When heated to decomposition it emits acrid smoke and irritating vapors.
[1] R.Schmitt-Rüth, et al. Plasma Concentration Measurement and Clinical Parameters in a Geriatric Population Treated for Cardiac Insufficiency Using the Nonrenal-Dependent Cardiac Glycoside Pentaformylgitoxin (Gitoformate). Springer Berlin Heidelberg, 1986.