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-1,3-propanediol 6976-37-0 Bistris NSC24868