MPI-0479605 (MPI0479605; MPI 0479605) is an ATP-competitive and selective inhibitor of mitotic kinase Mps1 (Monopolar spindle1) with potential antineoplastic activity.

SB743921 HCl (SB-743921; SB 743921), the hydrochloride salt of SB743921, is a novel and potent inhibitor of the mitotic motor protein, kinesin spindle protein (KSP), with potential antitumor activity.

GSK923295 (also called GSK-923295; GSK923295A; GSK 923295; GSK-923295A) is a first-in-class, specific and allosteric antimitotic inhibitor of CENP-E (centromere-associated protein E, kinesin motor ATPase) with potential antitumor activity.

ARQ 621 (ARQ-621; ARQ621) is an allosteric Eg5 mitotic motor protein inhibitor with potential anticancer activity.

AZ3146 (AZ-3146; AZ3146) is a novel, potent and selective Mps1 kinase (Monopolar spindle1) inhibitor with potential anticancer activity.

Ispinesib (formerly also known as CK-0238273, SB-715992), a quinazolinone analog, is a novel, specific and reversible inhibitor of kinesin spindle protein (KSP, a mitotic motor protein) with potential antineoplastic activity.

K-858 is a novel, potent and ATP-uncompetitive inhibitor of mitotic kinesin Eg5 that has potential antitumor activity.

Litronesib (formerly also known as LY2523355; LY-2523355; KF-8961) is a novel, potent and selective inhibitor of the kinesin-related motor protein Eg5 with potential anticancer activity.

MK-0731 (MK0731; MK 0731) is a potent kinesin spindle protein (KSP) inhibitor with potential anticancer activity.

Dimethylenastron, a quinazoline-thione analog, is a potent, cell-permeable, specific, and reversible mitotic kinesin 5 (Eg5) inhibitor with IC50 of 200 nM..