(E)-3-(6-hydroxy-7-methoxy-1-benzofuran-5-yl)prop-2-enehydrazide

2,3,4-trichloro-9-methoxy-2,3-dihydrofuro[3,2-g]chromen-7-one

4-bromo-9-methoxyfuro[3,2-g]chromene-7-thione

9-propoxyfuro[3,2-g]chromen-7-one

9-ethoxyfuro[3,2-g]chromen-7-one