3656-17-5 4-((p-Chlorophenyl)azo)-3,5-dimethylpyrazole-1-carboxamidine hydrochloride 4-(4'-Chlor-phenyl-azo)-3,5-dimethyl-pyrazol-1-amidin hydrochlorid [German] F 2348 Pyrazole-1-carboxamidine, 4-((p-chlorophenyl)azo)-3,5-dimethyl-, hydrochloride