title: Studies on benzochromones. IX. Syntheses of hydroxyl derivatives of 2-methyl-5,6-benzochromone and 2-methyl-3-acetyl-5,6-benzochromone.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006571:Heterocyclic Compounds; D011083:Polycyclic Compounds
chemical_list: D006571:Heterocyclic Compounds; D011083:Polycyclic Compounds