O-Phospho-L-serine-13C3,15N (L-Serine O-phosphate-13C3,15N) is the 13C- and 15N-labeled O-Phospho-L-serine. O-Phospho-L-serine is the immediate precursor to L-serine in the serine synthesis pathway, and an agonist at the group III mGluR receptors (mGluR4, mGluR6, mGluR7, and mGluR8); O-Phospho-L-serine also acts as a weak antagonist for mGluR1 and a potent antagonist for mGluR2[1].

MFZ 10-7 is a potent mGluR5 antagonist. Intraperitoneal administration of MFZ 10-7 inhibits intravenous cocaine self-administration, cocaine-induced reinstatement of drug-seeking behavior and cocaine-associated cue-induced cocaine-seeking behavior in rats..

VU 0360223 is a potent metabotropic glutamate receptors (mGluR) negative allosteric modulator with an IC50 of 61 nM.

VU0469650 is a potent, selective and CNS-penetrated negative allosteric modulator of mGlu1 receptor, with an IC50 of 99 nM.

MPPG is a potent and selective L-AP4-sensitive receptor antagonist with an kD value of 9.2 μM, being tested on the neonatal rat spinal cord.

MTPG is a potent mGluR2 and mGluR3 antagonist. MTPG can block the induction of brain ischemic tolerance induced by cerebral ischemic preconditioning. MTPG also significantly attenuates the inhibitory effect of L-CCG-1 on the KCl-evoked dopamine release.

(RS)-APICA is a selective group II metabotropic glutamate receptor (mGluR II) antagonist. (RS)-APICA shows potential neuroprotective effect.

(S,S)-BMS-984923 is a less active (S,S)-enantiomer of BMS-984923. (S,S)-BMS-984923 shows an EC50 >1μM for mGluR5 receptor. BMS-984923 is a potent mGluR5 silent allosteric modulator.

(R,S)-3,5-DHPG hydrochloride (DHPG, Dihydroxy phenylglycine) is a salt of free amino acid dihydroxy phenylglycine (DHPG) which acts as a selective and potent agonist of group I metabotropic glutamate receptors (mGluR) (mGluR 1 and mGluR 5).

L-CCG-I is an extended isomer of conformationally restricted glutamate analog. L-CCG-I also is a potent agonist for mGluR2 with an EC50 value of 0.3 nM. L-CCG-I can be used for the research of mGluR family.

MTEP is a potent, non-competitive and highly selective mGluR5 antagonist, with an IC50 of 5 nM and a Ki of 16 nM. MTEP shows antidepressant and anxiolytic-like effects. MTEP can be used for Parkinson's disease research.

JNJ-40411813 is a novel potent positive allosteric modulator of mGlu2 with EC50 of 147 nM. JNJ-40411813 displays >30-fold selectivity over mGlu1 and mGlu3-8, 10-fold over 5-HT2A. JNJ-40411813 displays an optimal interplay between potency, selectivity, favorable ADMET/PK and cardiovascular safety profile, and central EEG activity; has been investigated in the clinic for schizophrenia and anxious depression disorders.

CVN636 is a potent, selective, CNS penetrant and allosteric agonist of mGluR7 with EC50 of 7 and 2 nM for human and mouse mGluR7, respectively.

MK-8768 (MK8768) is a potent, selective mGluR2 negative allosteric modulator (NAM) with IC50 of 9.6 nM, shows no activity against mGluR 1,3,4,5,6,8.

ML353 (VU0478006) is a highly potent, selective, MPEP-site silent allosteric modulator of mGlu5 receptor with with sub-100 nM affinity.

VU6046980 is a potent, selective and in vivo active mGlu7 positive allosteric modulator (PAM) with EC50 of 0.15 uM (rat mGlu7).

Fasoracetam (NS 105) is a metabotropic glutamate receptor activator with a potential to treat vascular dementia.