33328-56-2 Noramine dihydrochloride Thiazolo(5,4-d)thiazole-2,5-dipropylamine, gamma,gamma,gamma',gamma'-tetramethyl-, dihydrochloride gamma,gamma,gamma',gamma'-Tetramethylthiazolo(5,4-d)thiazole-2,5-dipropylamine 2HCl