63446-02-6 7-(3-Isobutylamino-2-hydroxypropoxy)-6-methoxy-4-methylcoumarin hydrochloride COUMARIN, 7-(2-HYDROXY-3-ISOBUTYLAMINOPROPOXY)-6-METHOXY-4-METHYL-, HYDROCHLORID Coumarin, 7-(2-hydroxy-3-isobutylaminopropoxy)-6-methoxy-4-methyl-, hydrochloride