AIDS-005381 AIDS005381 Penicillin Et(NH)2 dimer [2R-[2.alpha.(R*),4.beta.]]-N,N-[1,2-Ethanediyl]bis[2-benzoyloxyl-5,5-dimethyl-1-[[(phenylacetyl)amino]ethyl]-4-thiazolidinecarboxamide]