55165-36-1 5H-FURO(3,2-g)(1)BENZOPYRAN-5-ONE, 9-(3-(tert-BUTYL)AMINO-2-HYDROXYPROPOXY)-4-HY 5H-Furo(3,2-g)(1)benzopyran-5-one, 9-(3-(tert-butyl)amino-2-hydroxypropoxy)-4-hydroxy-7-methyl-, hydrochloride Furo(3,2-g)chromone, 9-(3-(t-butyl)amino-2-hydroxypropoxy)-4-hydroxy-7-methyl-, hydrochloride