SB-674042 is a potent and selective non-peptide orexin OX1 receptor antagonist (Kd=5.03 nM), exhibits 100-fold selectivity for OX1 over OX2 receptors with IC50 values of 3.76 nM and 531 nM, respectively.

Tephrosin is a natural rotenoid which has potent antitumor activities. Tephrosin induces degradation of of EGFR and ErbB2 by inducing internalization of the receptors.

Rezafungin acetate (Biafungin acetate, CD101 acetate, SP-3025 acetate) is a next-generation, semi-synthetic echinocandin antifungal approved for Candida, Aspergillus, and Pneumocystis species. It works by selectively inhibiting β-glucan synthase.

BIX02188 is a potent MEK5-selective inhibitor with an IC50 of 4.3 nM. BIX02188 inhibits ERK5 catalytic activity, with an IC50 of 810 nM.

Isoguvacine hydrochloride is a GABA receptor agonist.

PD 123319 (ditrifluoroacetate) is a potent, selective AT2 angiotensin II receptor antagonist with IC50 of 34 nM.

Pristinamycin IA (Mikamycin B) is a cycle-peptidic macrolactone antibiotic. Pristinamycin IA is a substrate of P-glycoprotein and inhibits its function. Pristinamycin IA is active against StaphyloEoccus and Srreptococcus.

GSK-J2 is an isomer of GSK-J1 that does not have any specific activity. GSK-J1 is a potent inhibitor of H3K27me3/me2-demethylases JMJD3/KDM6B and UTX/KDM6A.

Roquefortine C, a fungal cyclopeptide isolated from Penicillium roquefortii, activates P-gp and also inhibits P450-3A and other haemoproteins. Roquefortine C has bacteriostatic activities against Gram-positive bacteria.

Imidazoleacetic acid is an endogenous ligand that stimulates imidazole receptors.