2,6-Benzothiazolediamine 2,6-Diaminobenzothiazole 4-27-00-05130 (Beilstein Handbook Reference) 5407-51-2 6-Amino-2-aminobenzothiazole AI3-24548 BENZOTHIAZOLE, 2,6-DIAMINO- BRN 0127744 NSC 5436