AK-135 is a derivative of 1,4-naphthoquinone (Menadione). AK-135 has been shown to restore the electron flow in defective respiratory chain (hypoxia or rotenone) systems more effectively than Menadione.
AK-106, also known as AK106-001616, is a selective inhibitor of cytosolic phospholipase A2 (cPLA2) inhibitor. AK-106 has been shown to have analgesic activites similar to non-steroidal anti-inflammatory drugs (NSAIDs).