Indole is an aromatic heterocyclic organic compound. It has a bicyclic structure consisting of a six-membered benzene ring fused to a five-membered nitrogen-containing pyrrole ring.

β-Endorphin (27-31) (human)

KRM-III is an orally active T cell antigen receptor (TCR) inhibitor with anti-inflammatory activity that potently inhibits TCR and myristate acetate/fosfomycin/ionomycin-induced NFAT nuclear factor activation and T cell proliferation, with an IC50 of approximately 5 μM.