7'-Ethynyl-7-{5-[2-(2-methoxy-ethoxy)-ethoxy]-1H-indol-7-ylethynyl}-1H,1'H-[2,2']biindolyl-5,5'-dicarboxylic acid bis-[2-(2-methoxy-ethoxy)-ethyl] ester

1-Methanesulfonyl-5-[2-(2-methoxy-ethoxy)-ethoxy]-7-trimethylsilanylethynyl-1H-indole

N-{2-Bromo-6-ethynyl-4-[2-(2-methoxy-ethoxy)-ethoxy]-phenyl}-methanesulfonamide