AIDS-033405 AIDS033405 Dimethyl (2R,2'R)-2,2'-(propane-1,3-diylbis{iminocarbonyl[(2R,4S)-5,5-dimethyl-1,3-thiazolidine-4,2-diyl]})bis{[(phenylacetyl)amino]acetate} Penicillin Pr(NH)2 sym dimer