3.5.3.17 4-aminobutyrate - 2011 3.5.3.17 EDTA reactivation by Mn2+ 21 3.5.3.17 n-Butyrate - 7248 3.5.3.17 PCMB reactivation by 2-mercaptoethanol 78 3.5.3.17 propionate - 312