2,2'-dimethyl-4,4'-methylenedianiline; 3,3'-dimethyl-4,4'-diaminodiphenylmethane; 3,3'-dimethyldiphenylmethane-4,4'-diamine; 4,4'-diamino-3,3'-dimethyldiphenylmethane; 4,4'-methylenediortho-toluidine; Methylenebis (ortho-toluidine); Methylenebis(2-toluidine); Methylenebis(3-methylphenylene-4-amine); Methylenebis(ortho-methylaniline).