THZ2, an analogue of THZ1 with improved pharmacokinetic features, is a potent, selective CDK7 inhibitor with IC50 of 13.9 nM, displays a 5-fold improved half-life in vivo compared with THZ1.

Aminopurvalanol A is a competitive, selective and cell-permeable inhibitor of cyclin-dependent kinase (CDK) that potently inhibits Cyclin A/cdk2, Cyclin B/cdk1, Cyclin E/cdk2, and P35/cdk5 with IC50 of 33 nM, 33 nM, 28 nM and 20 nM, respectively.

8-OH-Dpat is a serotonin 1A-receptor agonist that is used experimentally to test the effects of serotonin.