1,3,4-Thiadiazol-2-amine, 5-propoxy- 1,3,4-Thiadiazole, 2-amino-5-propoxy- (7CI,8CI) 16784-24-0 2-Amino-5-n-propoxy-1,3,4-thiadiazole [French] 5-Propoxy-1,3,4-thiadiazol-2-amine