methoxy>trimethylsilane

4,7-dimethoxy-2-phenylbenzo[b]thiophene

2,3-dihydro-7-hydroxy-1H-indene-1-spiro-2'-(-4',7'-dihydroxy-2H-inden-1',3'-dione)

2,3-dihydro-7-methoxy-1H-indene-1-spiro-2'-(-4',7'-dimethoxy-2H-inden-1',3'-dione)

1-<3,6-dimethoxy-2-(phenylethynyl)benzoyl>-2,3-dihydro-7-methoxy-1H-indene