3.1.2.12 additional information - activation energy 4.5 cal/mol 80982 3.1.2.12 22 - assay at 731220 3.1.2.12 25 - assay at 653549, 666081 3.1.2.12 30 - assay at 653164 3.1.2.12 37 - assay at 649455, 665750 3.1.2.12 50 - - 80985, 80990