4-(7'-(tryptamine-4,5-dione))-2,4''-bis-5-hydroxytryptamine

3-(2-aminoethyl)-7-[3-(2-aminoethyl)-2-[3-(2-aminoethyl)-5-hydroxy-1H- indol-4-yl]-5-hydroxy-1H-indol-4-yl]-1H-indole-4,5-dione