2H-1-Benzopyran-2-one, 6-hydroxy-7-methoxy-4-methyl- 4-Methyl-7-methoxy-6-hydroxycoumarin 6-Hydroxy-7-methoxy-4-methyl-2H-chromen-2-one 6345-62-6 AIDS-124672 AIDS124672 Coumarin, 6-hydroxy-7-methoxy-4-methyl- NSC43567