Lamotrigine 3-3 Dimer

Chemical Name: 1,​2,​4-​Triazine-​3,​5-​diamine, N3,​N3'-​methylenebis[6-​(2,​3-​dichlorophenyl)​ ; 3-[[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazine-3-amino]methylamino]-5-amino-6-(2,3-dichlorophenyl)-1,2,4-triazine ; Lamotrigine Dimer Impurity 1