.alpha.-D-Glucopyranosiduronic acid, (3b,20b)-20-carboxy-11-oxo-30-norolean-12-en-3-yl 2-O-b-D-glucopyranuronosyl- & Thymidine, 3'-azido-3'-deoxy- 30-Noroleanane & AZT AIDS-000756 AIDS000756 Glycyrrhizin & 3'-Azido-3'-deoxythymidine Glycyrrhizin & AZT Potenlini & AZT