(3R)-3-[(Dimethylamino)methyl]-6,14-dimethyl-2-oxo-3,4,5,8,9,12,13,15a,3a-nonahydrocyclotetradeca[2,1-b]furan-10-carboxylic acid 17-Dimethylaminolobohedleolide AIDS-089279 AIDS089279