Ethanol,2,2',2'',2''',2'''',2''''',2'''''',2'''''''-(pyrimido[5,4-d]pyrimidine-2,4,6,8-tetrayltetranitrilo)octa-(6CI,7CI,8CI); 2,4,6,8-Tetra(diethanolamino)pyrimido (5,4-d)pyrimidine; RA 137
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