3.1.2.20 additional information - - 486615 3.1.2.20 20 - assay at 646176 3.1.2.20 22 - assay at 646158 3.1.2.20 25 - assay at 646178, 646198, 690932 3.1.2.20 28 - assay at 646180 3.1.2.20 30 - - 646167 3.1.2.20 30 - assay at 646166, 646179, 646181, 646193, 731413 3.1.2.20 30 - CHA1 and ACH2 646164 3.1.2.20 37 - - 646121 3.1.2.20 37 - assay at 646165, 646188, 646192, 646193, 646201, 732296, 732300, 732503