Lamotrigine EP Impurity F Catalogue No. - VL980003 CAS No. - 252186-79-1 Molecular Formula - C16H9Cl4N5O Molecular Weight - 429.09 IUPAC Name - N-[5-Amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-3-yl]-2,3-dichlorobenzamide Synonyms - Lamotrigine Related Compound D