82657-48-5 Spiro(2-cyclohexene-1,2'(1'H)-cyclopenta(de)naphthacene)-9'-carboxamide,6'-(beta-D-glucopyranosyloxy)-7',7'a,8',11',11'a,12'-hexahydro-5',7'a,10',11'a,12'-pentahydroxy-3'-methoxy-2,6,6-trimethyl-7',8'-dioxo-, (2'S-(2'alpha,7'abeta,11'abeta,12'beta))-