1,2,7-Thiadiazepine-2(3H)-acetamide, tetrahydro-4,5-dihydroxy-3,6-bis(phenoxymethyl)-N-(2-thiazolyl)-7-[[4-(2-thienyl)phenyl]methyl]-, 1,1-dioxide, (3R,4S,5S,6R)- AIDS-057997 AIDS057997 Thiadiazaperhydroepine deriv.