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.

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.

VU0652957 (VU2957, Valiglurax) is a potent, selective mGlu4 positive allosteric modulator (PAM) with EC50 of 64.6 nM in calcium mobilization human mGlu4/Gqi5 assays; showes excellent pharmacokinetics across species (low CLps, %F > 35%), an acceptable CYP profile (>30 uM vs. 3A4, 2D6 and 2C9, 12.5 uM vs. 2C19 and 1.5 uM vs. 1A2), no CYP induction or timedependent inhibition and excellent metabolite coverage across species; also shows attractive predicted human PK parameters (CLps 5-9 mL/min/kg, Vds 1-2 L/kg and t1/2 2-4 hours).

VU 0364770 is a positive allosteric modulator(PAM) of mGlu4 with EC50 of 1.1 μM, exhibits insignificant activity at 68 other receptors, including other mGlu subtypes.

RG7090(CTEP Derivative,Basimglurant, RO4917523) is a negative modulator of metabotropic glutamate receptor subtype 5 (mGluR5; GRM5).

LY404039 is an inhibitor for mGluR1(Ki=149 nM) and mGluR2(Ki= 92 nM), which can also inhibit dopamine receptor.

Decoglurant (RO4995819) is a negative allosteric modulator of mGluR2 and mGluR3. Decoglurant is developed as an antidepressant.

ADX-88178 is a novel potent, selective, and brain-penetrant positive allosteric modulator of the mGlu4 receptor.

ADX-47273 is a novel, potent and selective metabotropic glutamate receptor 5 allosteric modulator with an EC50 of 170 nM.

(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).

(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.

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

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.

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.

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

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..

PHCCC is a Group I metabotropic glutamate receptor antagonist (IC50 ~ 3 μM).

A-841720 is a potent, non-competitive and selective mGlu1 receptor antagonist with an IC50 of 10 nM for human mGlu1 receptor. A-841720 displays 34-fold selectivity over mGlu5 (IC50 of 342 nM), and no significant activity at a range of other neurotransmitter receptors, ion channels, and transporters. A-841720 has the potential for chronic pain research.

DCB (3,3′-dichlorobenzaldazine) is an neutral allosteric modulator of themetabotropic glutamate receptor metabotropic glutamate receptor subtype 5 (mGluR5) . DCB blocks the positive allosteric regulation of mGluRs (mGluR5) with the help of 3,3′-difluorobenzaldazine (DFB). DCB shows the negative modulatory effect of 3,3′-dimethoxybenzaldazine (DMeOB).

ABP688 is a high affinity human mGluR5 antagonist with anKi of 1.7 nM. Radioisotope-labeled ABP688 can be used as a PET tracer for clinical imaging of the mGlu5 receptor.

MAP4 is a selective group III mGluR antagonist in some electrophysiological systems.

VU6005649 is a dual mGlu7/8 positive allosteric modulator with EC50s of 649 nM and 2.6 μM for mGlu7 and mGlu8, respectively.

L-Glutamine-15N-1 (L-Glutamic acid 5-amide-15N-1) is the 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.

L-Glutamine-15N2 (L-Glutamic acid 5-amide-15N2) is the 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.

L-Glutamine-5-13C (L-Glutamic acid 5-amide-5-13C) is the 13C-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.

L-Glutamine-1-13C (L-Glutamic acid 5-amide-1-13C) is the 13C-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.

Ro 01-6128 is a positive allosteric modulator of mGluR1.

L-Glutamine-13C5,15N2 (L-Glutamic acid 5-amide-13C5,15N2) is the 13C- and 15N-labeled L-Glutamine. L-Glutamine (L-Glutamic acid 5-amide) is a non-essential amino acid present abundantly throughout the body and involved in many metabolic processes. L-Glutamine provides a source of carbons for oxidation in some cells.

Biphenylindanone A (BINA) is a selective human mGluR2 (hmGluR2) potentiator for the treatment of many neurological disorders.

JNJ 42153605 is a positive allosteric modulator of the metabotropic glutamate 2 receptor.