3,5,7-Triaza-1-azoniatricyclo[3.3.1.13,7]decane, 1-[(4-bromophenyl)methyl]-, bromide Hexamethylenetetramine, compd. with toluene, p,.alpha.-dibromo Hexamethylenetetramine, compd. with toluene, p,.alpha.-dibromo- NSC80640