4,5-Dibromo-1H-pyrrole-2-carboxylic acid

4,5-Dibromo-2-pyrrolic acid (compound 2) is an immunosuppressive compound. 4,5-Dibromo-2-pyrrolic acid suppresses the proliferative response of splenocytes to suboptimal concentrations of the mitogen, concanavalin A (Con A)[1].

[1] S P Gunasekera, et al. Immunosuppressive compounds from a deep water marine sponge, Agelas flabelliformis. J Nat Prod. 1989 Jul-Aug;52(4):757-61 DOI:10.1021/np50064a015