英文名称
                        6-[[4a-[[9,10a-dihydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-3,4-dihydro-1H-benzo[g]isochromen-4a-yl]sulfanyl]-10a-hydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-3,4-dihydro-1H-benzo[g]isochromen-9-yl]oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid