6-(3-Isobutylamino-2-hydroxypropoxy)-7-methoxy-4-methylcoumarin hydrochloride 63446-03-7 COUMARIN, 6-(2-HYDROXY-3-ISOBUTYLAMINOPROPOXY)-7-METHOXY-4-METHYL-, HYDROCHLORID Coumarin, 6-(2-hydroxy-3-isobutylaminopropoxy)-7-methoxy-4-methyl-, hydrochloride