Imagabalin (PD 0332334) is a novel ligand for the α2δ subunit of the voltage-dependent calcium channel (VDCC) with some selectivity for the α2δ1 subunit over α2δ2.

IKK2-IN-9 is a potent, selective and orally active IKK2 inhibitor with IC50 of 19 nM, displays 20-fold selectivity over IKK1 (IC50=420 nM).

IKK2-IN-8 is a potent, selective IKK2 inhibitor with IC50 of 6 nM, displays >40-fold selectivity over IKK1 (IC50=230 nM).

IK1 inhibitor PA-6 is an efficient, specific inhibitor of inward rectifier current (IK1), blocks KIR2.x currents of human and mouse with IC50 of 12-15 nM.

IIIM-290 is a potent, orally active cyclin-dependent kinase (CDK) inhiitor with IC50 of 1.9 and 16 nM for Cdk-9/T1 and Cdk-2/A, respectively.

IIIC3 (Gallocyanine.

IHVR-19029 is a novel antiviral compound that acts as ER α-glucosidase inhibitor, synergistically inhibits the replication of Yellow fever and Ebola viruses in cultured cells combined with favipiravir (T-705).

IGS-1.76 is a small molecule inhibitor of human NCS-1/Ric8a interaction with affinity of 1.25 uM (hNCS-1).

IFNAR-IN-1 is a nonpeptidic, small molecule inhibitor of IFN-α and IFNAR interaction, specifically inhibits MVA-induced IFN-α responses by BM-pDCs with IC50 of 2-8 uM..

IEM 1754 2HBr is a selective AMPA/kainate receptor blockers for GluR1 and GluR3 with IC50 of 6 μM.

IDX-375 is a novel potent, non-nucleoside, allosteric HCV NS5B RdRp inhibitor with IC50 of 15 nM and 5 nM for 1a-H77 HCV NS5B polymerase and 1b-J4 HCV NS5B polymerase, respectively.

IDX-17119 is a potent, non-nucleoside, HCV NS5B RdRp inhibitor with IC50 of 0.4 nM in replicon luciferase assay.

IDRA-21 is a positive allosteric modulator of the AMPA receptor (AMPAR).

IDD388 is a potent aldose reductase (ALR2 or AKR1B1) inhibitor with IC50 of 0.4 uM, shows weak inhibition for AKR1B10 (IC50=4.4 uM)..

ICSN3250 (ICSN-3250) is a halitulin-analogue that acts as a new-class, specific mTOR inhibitor through a mechanism distinct from previous mTOR inhibitors.

ICSN3250 (ICSN-3250) hydrochloride is a halitulin-analogue that acts as a new-class, specific mTOR inhibitor through a mechanism distinct from previous mTOR inhibitors.

iCRT-5 is a selective, cell-permeable β-catenin responsive transcription (CRT) inhibitor with IC50 of 18 nM.

Icotinib(BPI-2009) is a potent and specific epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) with an IC(50) of 5 nM, including it's mutants of EGFR(L858R), EGFR(L861Q), EGFR(T790M) and EGFR(T790M, L858R).

IC-9564 (AIDS033640) is a betulinic acid derivative and potent HIV entry inhibitor that blocks HIV-1 envelope-mediated membrane fusion with IC90 of 0.22 uM for NL4-3 strain.

IC 87361 is a potent and selective DNA-PK inhibitor with IC50 of 34 nM, shows >50-fold selectivity over p110β.

Ibulocydine is the prodrug of CDK inhibitor BMK-Y101, inhibits CDK7 and CDK9 with IC50 of 530 nM and 85 nM in kinase assays, respectively.

Ibufenac is an analog of the NSAID ibuprofen that inhibits COX-1 and -2 activity with IC50 values of 17.4 and 13.1 µM, respectively.

IBS003031 (IBS-003031) is a novel chemical Yes-associated protein 1 (YAP1) activator, up-regulates H2B-mCherry expression at 1 and 3 uM in mCherry signal based reporter assays.

IBR2 is a novel small molecule RAD51 inhibitor that specifically binds to RAD51 and disrupts the BRC repeats of BRCA2/RAD51 interaction with IC50 of 0.11 uM.

IBET151-VHL-PROTAC is a novel PROTAC..

IAXO-102 is a novel selective TLR4 antagonist, negatively regulates non-hematopoietic TLR4 signalling and inhibits experimental AAA development.

IACS-9571 is a potent, selective dual TRIM24-BRPF1 bromodomain inhibitor with Kd of 31 and 14 nM, respectively.

IACS-7e is a potent TRIM24 bromodomain inhibitor with IC50 of 217.8 nM (TRIM24 ligand displacement)..

IACS-4759 potent, selective aminopyrimidine MTH1 (MutT homolog 1) inhibitor with IC50 of 0.6 nM.

IACS-4759 potent, selective aminopyrimidine MTH1 (MutT homolog 1) inhibitor with IC50 of 0.2 nM.