1H-​Tetrazole-​1-​ethanamine, 5-​[[2-​[[(4-​chlorophenyl)​methyl]​thio]​-​5-​methyl[1,​2,​4]​triazolo[1,​5-​a]​pyrimidin-​7-​yl]​thio]​-​N,​N-​dimethyl-​, hydrochloride (1:1)