羟基大黄素

2,4,5,2',4',5'-hexahydroxy-7,7'-dimethyl-9H,9'H-[1,1']bianthryl-10,10'-dione

氢碘酸

醋酸

10-(4,5-dihydroxy-2-methoxy-7-methyl-10-oxo-9H-anthracen-9-yl)-1,8-dihydroxy-3-methoxy-6-methyl-10H-anthracen-9-one