114540-43-1 3,3'-Methylenebis(6-aminobenzoic acid), dimethyl ester 31383-81-0 80311-18-8 Benzoic acid, 3,3'-methylenebis(6-amino-, dimethyl ester Dimethyl 5,5'-methylenedianthranilate EINECS 250-606-6 Methylene bis(methylanthranilate)