3-(3-amino-4-hydroxyphenyl)-7-hydroxy-4H-chromen-4-one 4H-1-benzopyran-4-one, 3-(3-amino-4-hydroxyphenyl)-7-hydroxy- InChI=1/C15H11NO4/c16-12-5-8(1-4-13(12)18)11-7-20-14-6-9(17)2-3-10(14)15(11)19/h1-7,17-18H,16H