131426-62-5 AIDS-029761 AIDS029761 BMY-28946 D-Serine, N-[[5-[[4,6-dideoxy-4-(dimethylamino)-.beta.-D-galactopyranosyl]oxy]-5,6,8,13-tetrahydro-1,6,9,14-tetrahydroxy-11-methoxy-3-methyl-8,13-dioxobenzo[a]naphthacen-2-yl]carbonyl]-, (5S-trans)-