http://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=FR&Expert=79157 2006 France French oxidoreductases acting on CH-CH group donors butyrates rare diseases amino acid metabolism, inborn errors developmental disabilities 2-methylbutanoic acid 2-methylacyl-CoA dehydrogenase oxidoreductases acting on CH-CH group donors butyrates scientific and technical information