116988-30-8 4H-Anthra(1,2-b)pyran-4,7,12-trione, 11-hydroxy-5-methyl-8-(2,3,6-trideoxy-3-(dimethylamino)-beta-D-arabino-hexopyranosyl)-10-(2,3,6-trideoxy-3-(dimethylamino)-5-C-hydroxy-3-C-methylhexopyranosyl)-2-(3,3',3'-trimethyl(2,2'-bioxiran)-3-yl)- DC 92B DC92-B