2-Amino-5-ethyl-1,3,4-thiadiazole14068-53-2100 % similar 5-(Ethylthio)-1,3,4-thiadiazol-2-amine25660-70-248 % similar 2-Amino-5-methyl-1,3,4-thiadiazole108-33-848 % similar 5-(1,1-Dimethylethyl)-1,3,4-thiadiazol-2-amine39222-73-644 % similar 5-(Methylthio)-1,3,4-thiadiazol-2-amine5319-77-744 % similar 2-Amino-5-mercapto-1,3,4-thiadiazole2349-67-943 % similar 5-(Trifluoromethyl)-1,3,4-thiadiazol-2-amine10444-89-039 % similar 5-[(Phenylmethyl)thio]-1,3,4-thiadiazol-2-amine25660-71-335 % similar 2-Ethyl-4,5-dimethylthiazole873-64-332 % similar