1,3-Propanediol, 2-((2-amino-4-nitrophenyl)amino)-2-(hydroxymethyl)- 2-((2-Amino-4-nitrophenyl)amino)-2-(hydroxymethyl)propane-1,3-diol 56932-45-7 CCRIS 7228 EINECS 260-451-6 HC Yellow no. 3 N1-(Tris(hydroxymethyl))methyl-4-nitro-1,2-phenylenediamine