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.

Ro 67-4853 is a positive allosteric modulator (PAM) of mGluR1 (pEC50=7.16 for rmGlu1a receptor). Ro67-4853 exhibits activity at all group I mGlu receptors including hmGlu1, rmGlu1, and rmGlu5. Ro 67-4853 enhances the potency of L-Glu by interacting with the transmembrane domain (TMD) of the receptor. Ro 67-4853 potentiates sensory synaptic responses to repetitive vibrissa stimulation.

Talaglumetad hydrochloride is a prodrug of thetype II metabotropic glutamate receptor (mGluR2/3) agonist Eglumegad for the treatment of anxiety.

Mavoglurant (AFQ056) is an experimental drug candidate for the treatment of fragile X syndrome.It exerts its effect as an antagonist of the metabotropic glutamate receptor 5 (mGLU5).

PHCCC(4Me) (THCCC), a PHCCC analog, is a dual mGluR2 (IC50 of 1.5 μM) negative allosteric modulator and mGluR3 (EC50 of 8.9 μM) positive allosteric modulator.