2H-furo[2,3-h]-1-benzopyran-2-one, 5-(3-hydroxy-3-methyl-2-oxobutyl)-6-methoxy- 5-(3-Hydroxy-3-methyl-2-oxo-butyl)-6-methoxy-furo[2,3-h]chromen-2-one 5-(3-hydroxy-3-methyl-2-oxobutyl)-6-methoxy-2H-furo[2,3-h]chromen-2-one 6-Methoxy-5-(3-hydroxy-2-oxo-3-methyl-butyl)-angelicin InChI=1/C17H16O6/c1-17(2,20)12(18)8-11-9-4-5-13(19)23-14(9)10-6-7-22-16(10)15(11)21-3/h4-7,20H,8H2,1-3H