Lamotrigine - 13 C 2 , 15 N 2 ,d 3 is 15 N and deuterated labeled Lamotrigine. Lamotrigine (BW430C) is a potent and orally active anticonvulsant or antiepileptic agent. Lamotrigine selectively blocks voltage-gated Na + channels , stabilizing presynaptic neuronal membranes and inhibiting glutamate release. Lamotrigine can be used for the research of epilepsy, focal seizure, et al.