1,3-Propanediol, 2-(bis(2-hydroxyethyl)amino)-2-(hydroxymethyl)- 2,2-Bis(hydroxymethyl)-2,2',2''-nitrilotriethanol 2-(Bis(2-hydroxyethyl)amino)-2-(hydroxymethyl)propane-1,3-diol 6976-37-0 Bistris EINECS 230-237-7 NSC 119932 NSC 24868