RSV-IN-1 is a human respiratory syncytical virus (hRSV) inhibitor, with an IC50 of 0.11 μM.

RSV604 R enantiomer is the R-enantiomer of RSV604, which is a potent respiratory syncytial virus (RSV) inhibitor targeting the nucleocapsid protein, is less active against RSV..

RSV inhibitor compound 1 is a novel potent, orally bioavailable RSV fusion inhibitor with EC50 of 2 nM (RSV Long strain infected HEp-2 cells) without significant cytotoxicity (CC50>100 uM).

RSK2-IN-20 is a potent, selective, and durable inhibitpr of RSK2 with IC50 of 47 nM.

RRD-251 hydrochloride is a small molecule disruptor of Rb/Raf-1 interaction, potently and selectively disrupts the Rb/Raf-1 (IC50=77 nM) but not Rb/E2F, Rb/prohibitin, Rb/cyclin E, and Rb/HDAC binding.

RRD-251 hydrochloride is a small molecule disruptor of Rb/Raf-1 interaction, potently and selectively disrupts the Rb/Raf-1 (IC50=77 nM) but not Rb/E2F, Rb/prohibitin, Rb/cyclin E, and Rb/HDAC binding.

Rpn11 inhibitor 35 is a potent, small molecule inhibitor of the proteasome subunit Rpn11 with IC50 of 400 nM,100-fold selectivity over Csn5 and 10-fold selectivity over AMSH.

RP-1865 is a selective stimulator of S1P1 and S1P5 used for the treatment of autoimmunity disease.

RP-1859 is a selective stimulator of S1P1 and S1P5 (S1P1 IC50 = 0.20 nM; S1P5 IC50 = 170 nM) used for the treatment of autoimmunity disease.

Roy-Bz is the first small-molecule PKCδ-selective activator with EC50 of 58.5 nM, binds to the PKCδ-C1-domain.

ROMK-IN-32 is a potent, selective ROMK inhibitor with IC50 of 17 nM.

ROMK-IN-25 is a potent and selective ROMK channel (KCNJ1) inhibitor with IC50 of 72 nM.

Rocuronium Bromide

Robotnikinin is asmall molecule that binds the extracellular Sonic Hedgehog (Shh) protein (Kd=3.1 uM) and blocks Shh-signaling in cell lines, human primary keratinocytes and synthetic model of human skin.

RO-7 is a novel small molecule, broad-spectrum inhibitor of influenza acidic polymerase (PA) protein endonuclease activity with EC50 of 3.2-16 nM in MDCK cells.

RO6889678 is a highly potent inhibitor of HBV capsid formation with attributes that are favorable for targeting the liver, whilst maintaining moderate peripheral exposure..

RO5258638 is a small molecule inhibitor of CDK5-p25 protein-protein interaction..

RO5258638 is a small molecule inhibitor of CDK5-p25 protein-protein interaction with IC50 of 1.39 uM..

RO-51 is a potent, selective and drug-like dual P2X3 and P2X2/3 antagonist with pIC50 of 8.7 and 8.3, respectively..

Ro 64-6198 is a nonpeptidic, selective, brain-penetrant agonist of nociceptin/orphanin FQ receptor (NOP receptor/ORL1) with pKi of 9.41.

Ro 60-0175 is a potent, selective 5-HT2C receptor agonist with pKi of 9, 7.5, 5.4, 5.2 and 5.6 for human 5-HT2C, 2A, 1A, 6 and 7 receptors respectively.

RO 28-2653 is a potent, selective and orally active matrix-metalloproteinases (MMPs) MMP2, MMP9 and MMP14 inhibitor with IC50 of 10, 12 and 10 nM, shows no activity against MMP3 and MMP1 (IC50>1 uM).

RO 2443 is a potent, dual MDM2/MDMX antagonist that inhibits both MDM2 (IC50=33 nM) and MDMX (IC50=41 nM) binding to p53, but poor water solubility does not allow for a meaningful assessment of its cellular activity..

Ro 08-2750 (Ro 082750) is a potent, selective, non-peptide nerve growth factor (NGF) inhibitor that binds to NGF dimer with Kd of 1 uM.

RNPA2000 is a small-molecule inhibitor of Staphylococcus aureus RnpA-mediated RNA turnover and tRNA processing (IC50=130 uM).

RNPA1000 is a potent, specific small molecule inhibitor of S. aureus RnpA RNA degradation activity (IC50=100-125 uM), limits S. aureus mRNA turnover and growth.

RNase L-IN-2 is a small-molecule activator of RNase L with EC50 of 22 uM.

RK-20449 (RK20449) is a potent, small molecule inhibitor of hematopoietic cell kinase (HCK) with IC50 of 0.43 nM.

RJR-2403 (Rivanicline, Metanicotine) is a potent, selective neuronal nicotinic ACh (nAChR) agonist with high affinity to rat brain cortex (Ki=26 nM), does not significantly activate muscle type nAChRs or muscarinic receptors.

RJR-2403 (Rivanicline, Metanicotine) is a potent, selective neuronal nicotinic ACh (nAChR) agonist with high affinity to rat brain cortex (Ki=26 nM), does not significantly activate muscle type nAChRs or muscarinic receptors.