4,7-Dimethoxy-5-N-methylcarbamoylamino-6-(2-(N-pyrrolidino)ethoxy)benzofuran hydrochloride 86360-33-0 Carocainide hydrochloride MD 770207 Urea, N-(4,7-dimethoxy-6-(2-(1-pyrrolidinyl)ethoxy)-5-benzofuranyl)-N'-methyl-, monohydrochloride