AIDS-004967 AIDS004967 Penicillin 2OHPr(NH)2 dimer [2R-[2.alpha.(R*),4.beta.]]-4,4'-[1,3-Hydroxypropanediylbis(aminocarbonyl)]bis[N-ethyl-5,5-dimethyl-.alpha.-[(phenylacetyl)amino]-2-thiazolidineacetamide]