PZM21 is a potent and selective μ opioid receptor agonist with an EC50 of 1.8 nM.

Q151 is a highly potent inhibitor of mycobacterium tuberculosis IMPDH2 (MtbIMPDH2) with Kiapp of 18 nM, demonstrates the minimum inhibitory concentrations (MIC) of 1 uM withour significant cytotoxicity.

QC-3611 is a selective inhibitor of JARID1A/1B, which is a target existing in various tumors (JARID1A IC50 = 13 nM ;JARID1B IC50 = 2 nM). QC-3611 is promisingly to be used as an antineoplastic drug.

QC-6352 is a potent and selective KDM4 family inhibitor with IC50 of 104, 56, 35, and 104 nM for KDM4A, KDM4B, KDM4C, and KDM4D, respectively.

QCA276 is a novel potent BET proteins inhibitor with IC50/Ki of 10/.3 nM, QCA276 is the BET ligand for PROTAC QCA570.

QCA570 is a novel, highly potent efficacious BET degrader (PROTAC).

QcrB inhibitor TB47 (TB47) is a novel antimycobacterial agent that fuctions as a putative respiratory complex III (QcrB) inhibitor with MIC of 0.016-0.5 ug/mL against a panel of 56 M. tuberculosis clinical isolates.

QD 232 is a novel quinazolinedione-based redox modulator that potently inhibits Src/FAK and STAT3 phosphorylation, decreasing pancreatic cancer cell viability and migration.

QD325 is a potent redox modulator that induces Nrf2-mediated oxidative stress and unfolded protein responses in PDAC cells (IC50=0.9 uM).

QL-IX-55 is a selective ATP-competitive inhibitor of mTORC1/2 with IC50s of 50/50/10-50 nM for Human mTORC1/Yeast mTORC1/Yeast mTORC2, respectively

QL-X-138 is a selective and potent BTK/MNK dual kinase inhibitor with IC50 of 8, 107.4, and 26 nM for BTK, MNK1, and MNK2, respectively.

QM31 (SVT016426, Apaf-1 inhibitor QM31) is a cytoprotective agent that inhibits the formation of the apoptosome (IC50=7.9 uM in vitro), the caspase activation complex composed by Apaf-1, cytochrome c, dATP and caspase-9.

QM385 is a highly potent small molecule SPR inhibitor,that inhibits the BH4 pathway, blocking T cell proliferation and autoimmunity.

QO IIR is a reversible, tight-binding inhibitor inhibitor of catechol-O-methyltransferase (COMT) with IC50 of 320 nM.

QS 11 is a GTPase activating protein of ADP-ribosylation factor 1 (ARFGAP1) inhibitor.

QStatin is a novel, potent, and selective Vibrio quorum sensing (QS) inhibitor, shows pan-QS inhibitor activity in diverse Vibrio species.

QTX125 (QTX-125) is a novel potent, selective HDAC6 inhibitor, displays excellent selectivity over other HDACs.

Quetiapine Sulfoxide is a metabolite of Quetiapine. Quetiapine is an atypical antipsychotic approved for the treatment of schizophrenia, bipolar disorder, and along with an antidepressant to treat major depressive disorder.

Quillaic acid(Quillaja sapogenin) is the major aglycone of the widely studied saponins of the Chilean indigenous tree Quillaja saponaria Mol; can elicit dose-dependent antinociceptive effects in two murine thermal models.

Quinalizarin is a potent, selective and cell-permeable inhibitor of CK2 with Ki of 58 nM.

Quizartinib (AC220) is a potent, selective, second-generation FLT3 inhibitor with Kd of 1.6 nM, inhibits Wt FLT3 and FLT3-ITD autophosphorylation in MV4-11cell with IC50 of 4.2 and 1.1 nM, respectively.

R121919 is a potent small-molecule CRF1 receptor antagonist with a Ki of 2 to 5 nM for the CRF1 receptor and over 1000-fold weaker activity at the CRF2 receptor, CRF-binding protein, or 70 other receptor types.