Hydroxyquinol533-73-330 % similar 5,7-Dihydroxychromone31721-94-530 % similar 7-Amino-4-methylcoumarin-3-acetic acid106562-32-730 % similar 8-Amino-2-naphthol118-46-730 % similar 6-Hydroxy-2(1H)-quinolinone19315-93-630 % similar 5-Amino-2-naphthol86-97-530 % similar