AIDS-121994 AIDS121994 Integramide A Integramide B isoVal-Pro-Ile-isoVal-Leu-2-Aminoisobutyric acid-Aminoisobutyric acid-Pro-Leu-isoVal-2-Aminobutyric acid-pro-isoVal-isoVal-Gly isoVal-Pro-Ile-isoVal-Leu-Aib-Aib-Pro-Leu-isoVal-2-Aib-pro-isoVal-isoVal-Gly