Abdel-Rahman M S, Hetland L B, Couri D
Am Ind Hyg Assoc J. 1976 Feb;37(2):95-102. doi: 10.1080/0002889768507418.
MEK (2-butanone) when combined with MBK (2-hexanone) markedly enhanced MBK neurotoxicity. MBK in rat plasma after exposure to MBK/MEK increased with time. Metabolites of MBK identified in blood and urine of rats and guinea pigs were 2-hexanol and 2,5-hexanedione.