37855-80-4 37855-81-5 5H-FURO(3,2-g)(1)BENZOPYRAN-5-ONE, 9-((2-HYDROXY-3-ISOPROPYLAMINO)PROPOXY)-4-HYD 5H-Furo(3,2-g)(1)benzopyran-5-one, 9-((2-hydroxy-3-isopropylamino)propoxy)-4-hydroxy-7-methyl-, hydrochloride Furo(3,2-g)chromone, 9-(2-hydroxy-3-isopropylaminopropoxy)-4-hydroxy-7-methyl-,hydrochloride