YLIU-4-105-1 is a novel type II JAK2 inhibitor, binds to JAK2 kinase domain (JH1), show potential for overcoming acquired resistance to ruxolitinib.

A potent, selective, orally active JAK1/JAK2 inhibitor with IC50 of 3.3/2.8 nM, respectively.

QL-1200186 is a potent, highly selective allosteric inhibitor of tyrosine kinase 2 (TYK2) with IC50 of 0.06 nM, targets pseudokinase regulatory domain (Janus homology 2, JH2) of the TYK2 protein.

MMT3-72 is a gastrointestinal locally-activating Janus kinase (JAK) inhibitor, readily converted to MMT3-72-M2 in the colon contents (JAK1 IC50=10.8 nM, JAK2 IC50=26.3 nM and TYK2 IC50=91.6 nM).

CPL409116 (CPL 409116) is a potent, competitive, dual JAK and ROCK inhibitor with IC50 of 0.95/5.36//0.87/110.6/106.7 nM for JAK1/JAK2/JAK3/ROCK1/ROCK2, respectively.

AZD0449 (AZD-0449) is a potent and highly selective JAK1 inhibitor with IC50 of 2.4 nM, displays >50-fold selectivity over TYK2 and JAK2, and no inhibition against JAK3.

ABT-317 (ABT317) is a potent, selective JAK1 inhibitor, inhibits IL-6-stimulated pSTAT3 (TF-1 cells, IC50=16 nM) and IL-2-stimulated pSTAT5 (T-blasts, IC50=30 nM).

ABBV-712 is a potent, selective inhibitor of tyrosine kinase 2 (TYK2) with EC50 of 0.01 uM, binds and stabilizes the pseudokinase (JH2) domain of TYK2.

Fosifidancitinib is a potent and selective inhibitor of JAK kinases 1/3. Fociatinib is used in studies of allergies, asthma and autoimmune diseases.

VVD-118313 (compound 5a) is a potent, selective JAK1 inhibitor. VVD-118313 targets an isoform-restricted allosteric cysteine to block JAK1-dependent trans-phosphorylation and cytokine signaling. VVD-118313 can be used for research of cancer.

Delgocitinib (JTE-052, LEO 124249) is a potent, selective, orally active, pan-JAK inhibitor with IC50 of 2.8, 2.6, 13 and 58 nM for JAK1,2,3 and Tyk2, respectively.

NDI034858 is a TYK2 inhibitor, target TYK2 JH2 domain with binding constant Kd of <200 pM.

BMS-986202 (BMS 986202) is potent, selective Tyk2 inhibitor that binds to Tyk2 JH2 domain with IC50 of 0.19 nM, Ki of 0.02 nM, >10,000-fold over 273 kinases and pseudokinases; BMS-986202 demonstrated cellular activity (IL-23 IC50=12 nM) in IL-23 stimulated reporter assay (in Kit225 T cells). BMS-986202 also binds Jak1 JH2 with an IC50 of 7.8 nM, but this enzymatic binding did not lead to any functional activities, as BMS-986202 displayed an activity (IC50) of greater than 12.5 μM in the IL-2 stimulated Jak1/3-dependent cellular assay. BMS-986202 showed in vivo efficacy in mouse models of IL-23-driven acanthosis, anti-CD40-induced colitis, and spontaneous lupus.

Nimucitinib is a Janus kinase (JAK) inhibitor.

Pumecitinib is a Janus kinase (JAK) inhibitor with anti-inflammatory activity.

Z3(NSC 42834), a novel specific inhibitor of Jak2, inhibits Jak2-V617F and Jak2-WT autophosphorylation in a dose-dependent manner but was not cytotoxic to cells at concentrations that inhibited kinase activity.

XL019 is an orally bioavailable inhibitor of Janus-associated kinase 2 (JAK2) with potential antineoplastic activity.

WHI-P258 is a negative control for JAK3 inhibitors.

WHI-P154 is a potent JAK3 inhibitor with IC50 of 1.8 μM, no activity against JAK1 or JAK2, also inhibits EGFR, Src, Abl, VEGFR and MAPK, prevents Stat3, but not Stat5 phosphorylation.

Upadacitinib (ABT-494) is a potent and selective Janus kinase (JAK) 1 inhibitor being developed for the treatment of several autoimmune disorders with an IC50 of 43 nM.

Tofacitinib is a novel inhibitor of JAK3 with IC50 of 1 nM, 20- to 100-fold less potent versus JAK2 and JAK1. Phase 3.

Tofacitinib is a novel inhibitor of JAK3 with IC50 of 1 nM, 20- to 100-fold less potent versus JAK2 and JAK1. Phase 3.

TG-101348 (SAR302503) is a selective inhibitor of JAK2 with IC50 of 3 nM, 35- and 334-fold more selective for JAK2 versus JAK1 and JAK3, TG-101348 also inhibit BRD4 with IC50 of 340 nM.

TG101209 is a selective JAK2 inhibitor with IC50 of 6 nM, less potent to Flt3 and RET with IC50 of 25 nM and 17 nM, ~30-fold selective for JAK2 than JAK3, sensitive to JAK2V617F and MPLW515L/K mutations; TG101209 inhibit BRD4 activity with IC50 of 130 nM.

S-Ruxolitinib is the chirality of INCB018424, which is the first potent, selective, JAK1/2 inhibitor to enter the clinic with IC50 of 3.3 nM/2.8 nM, >130-fold selectivity for JAK1/2 versus JAK3. Phase 3.

Solcitinib, also known as GSK2586184 or GLPG0778, is a Janus kinase 1 (JAK1) inhibitor.

SAR-20347 is an inhibitor of TYK2, JAK1, JAK2 and JAK3 with IC50s of 0.6, 23, 26 and 41 nM, respectively.

Ruxolitinib Phosphate is a potent and selective Janus kinase (JAK1, IC50 = 5.9 nM and JAK2, IC50 = 5.7 nM) inhibitor.

Ruxolitinib is a potent ATP mimetic that inhibits both JAK1 and JAK2 with IC50 values of 2.7 and 4.5 nM, respectively and is relatively less selective for JAK3 (IC50 = 322 nM).

PF-06700841 is an inhibitor of JAK1 and TYK2 kinases. PF-06700841 has been investigated for the treatment of psoriasis and lupus.