1,2,7-Thiadiazepine-2,7-diacetamide, tetrahydro-4,5-dihydroxy-3,6-bis(phenoxymethyl)-N,N'-di(2-thiazolyl)-, 1,1-dioxide, (3R,4S,5S,6R)- AIDS-057993 AIDS057993 Thiadiazaperhydroepine deriv.