1,2,7-Thiadiazepine-4,5-diol, hexahydro-3,6-bis(phenoxymethyl)-2,7-bis[[4-(2-thienyl)phenyl]methyl]-, 1,1-dioxide, (3R,4S,5S,6R)- AIDS-057994 AIDS057994 Thiadiazaperhydroepine deriv.