2-((3R,6S,9R,12R,17aS)-9-((1H-indol-3-yl)methyl)-6-isobutyl-3-isopropyl-1,4,7,10,13-pentaoxohexadecahydro-1H-pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecin-12-yl)acetic acid; BQ-123; 1H-Pyrrolo[1,2-a][1,4,7,10,13]pentaazacyclopentadecine Cyclic Peptide Derivative; Cyclo(D-??-?aspartyl-?L-?prolyl-?D-?valyl-?L-?leucyl-?D-?tryptophyl)
![Picture of BQ-123 [Cyclo(D-Trp-D-Asp-Pro-D-Val-Leu)]](https://bc3c83a0874864a50753-7010fd7f2bdf81ab41ee28479491701e.ssl.cf2.rackcdn.com/media//catalog/AR-P01448.jpg?size=256 "Show details for BQ-123 [Cyclo(D-Trp-D-Asp-Pro-D-Val-Leu)]")
