3-hydroxymethyl-6-methoxy-1-[3-(4-methoxyphenoxy)propyl]-1H-indole-4,7-dione

1-[2-(dimethylamino)ethyl]-3-hydroxymethyl-6-methoxy-1H-indole-4,7-dione

3-hydroxymethyl-6-methoxy-1-(2-morpholinoethyl)-1H-indole-4,7-dione

6-methoxy-1-methyl-3-(4-methylsulfonylphenoxy)methyl-1H-indole-4,7-dione

3-fluoro-4-[(6-methoxy-1-methyl-4,7-dioxo-1H-indol-3-yl)methoxy]benzoic acid