2922.19.33 | 00 | N1-(2-Hydroxyethyl)-2-nitro-1,4- phenylenediamine; N1,N4,N4-Tris(2-hydroxyethyl)-2- nitro-1,4-phenylenediamine; N1,N4-Dimethyl-N1- (2-hydroxyethyl)-3-nitro-1,4-phenylene- diamine; N1,N4-Dimethyl-N1-(2,3-dihydroxy- propyl)-3-nitro-1,4-phenylenediamine; and N1-(2-Hydroxyethyl)-3-nitro-1,4- phenylenediamine | kg | Free | | 15.4¢/kg + 50% |