1H-Indazole-1-ethanamine, N,N-dimethyl-5-nitro-, monohydrochloride 36173-98-5 Dimethylaminoethyl-1 nitro-5 indazole chlorhydrate [French] N,N-Dimethyl-5-nitro-1H-indazole-1-ethanamine monohydrochloride