“4 Similar … of d‐serine were also able to block the anticonvulsant … of the non‐selective glycine receptor antagonist, kynurenic acid , against seizures induced by NMDLA, but were without effect on the anticonvulsant effect of … competitive NMDA receptor antagonist, 3‐((+)‐2‐carboxypiperazin‐4‐yl)‐propyl‐1‐phosphonic acid (CPP).”