Ethylmalonic acid can be found in blood cerebrospinal fluid (CSF) and urine as well as in human fibroblasts prostate and skeletal muscle tissues. Moreover ethylmalonic acid is found to be associated with anorexia nervosa and malonyl-CoA decarboxylase deficiency. Ethylmalonic acid is a non-carcinogenic potentially toxic compound.

AP39 free base is a mitochondrial-targeted H(2)S donor that can improve the survival rate of porcine islets in culture.

Glucodigifucoside, a cardiac glycoside that can be isolated from digitalis seeds, is specifically cytotoxic to human renal adenocarcinoma cells.