(4,2':4',7''-Ter-1H-indole)-4'',5''-dione, 3,3',3''-tris(2-aminoethyl)-5,5'-dihydroxy- 118230-91-4 4-(7'-(Tryptamine-4,5-dione))-2,4''-bis-5-hydroxytryptamine Tdo-HT