Ramipril is an angiotensin-converting enzyme (ACE) inhibitor with IC50 of 5 nM.

Ramelteon is a novel melatonin receptor agonist for human MT1 and MT2 receptors and chick forebrain melatonin receptors with Ki of 14 pM, 112 pM and 23.1 pM, respectively.

Ramatroban (BAY u3405) is a thromboxane A(2) (TxA(2)) antagonist marketed for allergic rhinitis.

Raltegravir potassium salt(MK0518 potassium salt) is a potent integrase (IN) inhibitor, used to treat HIV infection.

RaloxifeneHcl(LY156758 Hcl) is a second generation selective estrogen receptor antagonist.

Raloxifene hydrochloride is a selective estrogen receptor modulator (SERM), binding to ERα and ERβ. Tissue-dependently blocks or activates estrogen-induced transcription. Exhibits estrogen agonist behavior in bone but acts as an anti-estrogen in breast an

Rafoxanide is a salicylanilide used as an antiparasitic agent.

Radalbuvir (GS-9669) is a highly optimized thumb site II nonnucleoside inhibitor of HCV NS5B polymerase with binding affinity of 1.35 nM for genotype 1b.

rac Pterosin B is a potent and specific SIK3 signaling inhibitor that suppresses SIK3 downstream cascades by up-regulating the phosphorylation levels in the SIK3 C-terminal regulatory domain.

R-999636 is a small molecule inhibitor that effectively inhibits the β-catenin/Tcf4 interaction with Ki of 8.8 uM in FP assay.

R916562 (R562) is a potent, dual Axl/VEGF-R2 inhibitor with celluar IC50 of 136 nM for Axl.

R547 is a potent and selective CDK inhibitor with Ki and IC50 of 1-3 nM and 80 nM respectively.

R-360163 is a small molecule inhibitor that effectively inhibits the β-catenin/Tcf4 interaction with Ki of 16 uM in FP assay.

R191 (R-191) is a potent, small molecule IRAK1/4 kinase inhibitor (IRAK4 IC50=3 nM), exhibits good selectivity against a broad panel of kinases.

R15A inhibitor.

Quinine HCl dihydrate

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.

Quercetin dihydrate (Sophoretin)

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

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

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

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

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.

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.

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

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

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

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

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

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.