1,3,4-THIADIAZOLE, 2-AMINO-5-ETHYL- 1,3,4-Thiadiazol-2-amine, 5-ethyl- 14068-53-2 2-Amino-5-ethyl-1,3,4-thiadiazole 4-27-00-08073 (Beilstein Handbook Reference) BRN 0113614 EINECS 237-921-4 NSC 75711