2,3,4-tribromo-9-methoxy-2,3-dihydro-furo[3,2-g]chromen-7-one
4-nitro-9-methoxy-7H-furo<3,2-g><1>benzopyran-7-one
4-amino-9-methoxy-7H-furo<3,2-g><1>benzopyran-7-one
9-methoxy-7H-furo[3,2-g][1]benzopyran-7-one
4-bromo-9-methoxy-7H-furo[3,2-g]chromen-7-one