76410-23-6 NAPHTHO(1,2-b)FURAN-3-CARBOXYLIC ACID, 6-(2-HYDROXY-3-(ISOPROPYLAMINO)PROPOXY)-2 Naphtho(1,2-b)furan-3-carboxylic acid, 6-(2-hydroxy-3-(isopropylamino)propoxy)-2-methyl-, ethyl ester, monohydrochloride