137160-11-3 APTIGANEL HYDROCHLORIDE Aptiganel Cerestat Cns 1102 Guanidine, N-(3-ethylphenyl)-N-methyl-N'-1-naphthalenyl-, monohydrochloride N-(1-Naphthyl)-N'-(3-ethylphenyl)-N'-methylguanidine hcl