2,4(or 4,6)-Diethyl-6(or 2)-methyl-1,3-benzenediamine ,its cas register number is 75389-89-8. It also can be called 2,4(or 4,6)-Diethyl-6(or 2)-methyl-1,3-phenylenediamine ;and 2,4-Diethyl-6-methylbenzene-1,3-diamine .