138299-09-9 BRN 5471105 alpha-D-Xylofuranose, 5-C-(1,6,6a,7,7a,9,9a,10-octahydro-4-methyl-6,10-dioxothieno(3',2':5,6)anthra(2,3-b)oxiren-8a(2H)-yl)-1,2-O-(1-methylethylidene)-, 3-(4-methylbenzenesulfonate), S,S-dioxide, (6aR-(6a-alpha,7a-beta,8a-beta(S*),9a-alpha))-