“Benzofuran and 2-butylbenzofuran had no effect up to 100 …/L. In isolated rat liver mitochondria, amiodarone, benzarone, and benzbromarone , but not benzofuran, decreased state 3 … and respiratory control ratios for L-glutamate (50% decrease of respiratory control ratio at [micromol/…]: amiodarone, 12.9; benzarone, 10.8; benzbromarone, <1).”