(-)-Dizocilpine maleate ((-)-MK-801 maleate) 是 Dizocilpine 的活性较低的 (-)-对映体。它是一种选择性、非竞争性的 NMDA 受体拮抗剂，Ki 为 211.7 nM，具有抗抑郁作用。

Dizocilpine maleate (MK-801 maleate)是一种高效、选择性和非竞争性的NMDA受体拮抗剂，在大鼠脑膜中的Kd为37.2 nM。

Ifenprodil Tartrate is a high affinity and atypical noncompetitive NMDA receptor antagonist with IC50 of 0.3 μM.

Felbamate is a potent nonsedative anticonvulsant whose clinical effect may be related to the inhibition of N-methyl-D-aspartate (NMDA) .

Kynurenic Acid is a broad spectrum glutamatergic antagonist which can antagonize NMDA, kainate and AMPA receptors.

Spermidine, a precursor of spermine, is a polyamine derived from putrescine and could help stabilize some membranes and nucleic acid structures.