3-Methyl-4'-(3-tert-butylamino-2-hydroxypropoxy)-flavon [German] 4'-(3-(tert-Butylamino)-2-hydroxypropoxy)-2-methylflavanone 55456-73-0 FLAVANONE, 4'-(3-(tert-BUTYLAMINO)-2-HYDROXYPROPOXY)-2-METHYL-