2-bromo-1,4-dimethoxy-3-(phenylethynyl)benzene

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

2-bromo-3,6-dimethoxyaniline

1-bromo-2-iodo-3,6-dimethoxybenzene

7-Methoxy-1-[1-methoxy-meth-(E)-ylidene]-indan