15074-17-6 2H-1-benzopyran-2-one, 4-hydroxy-3-methyl- 4-hydroxy-3-methyl-2H-chromen-2-one InChI=1/C10H8O3/c1-6-9(11)7-4-2-3-5-8(7)13-10(6)12/h2-5,11H,1H