143388-64-1 1H-Indole-5-ethanesulfonamide, N-methyl-3-(1-methyl-4-piperidinyl)-, monohydrochloride Amerge GR 85548A N-Methyl-3-(1-methyl-4-piperidyl)indole-5-ethanesulfonamide monohydrochloride NARATRIPTAN HYDROCHLORIDE Naratriptan hydrochloride [USAN]