Chemical Formula: C40H42O20S

(2r,3r,4r,5s,6r)-6-{[(1s,3s,4as,10ar)-4a-{[(1s,3s,4as,10ar)-9,10a-dihydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-4a-yl]sulfanyl}-10a-hydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-9-yl]oxy}-3,4,5-trihydroxyoxane-2-carboxylic acid

6-[(4a-{[9,10a-dihydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-4a-yl]sulfanyl}-10a-hydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-9-yl)oxy]-3,4,5-trihydroxyoxane-2-carboxylic acid

methyl 6-{[2-(4a-{[9,10a-dihydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-4a-yl]sulfanyl}-9,10a-dihydroxy-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-3-yl)acetyl]oxy}-3,4,5-trihydroxyoxane-2-carboxylate

methyl (2r,3r,4r,5s,6r)-6-({2-[(1s,3s,4as,10ar)-4a-{[(1s,3s,4as,10ar)-9,10a-dihydroxy-3-(2-methoxy-2-oxoethyl)-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-4a-yl]sulfanyl}-9,10a-dihydroxy-1-methyl-5,10-dioxo-1h,3h,4h-naphtho[2,3-c]pyran-3-yl]acetyl}oxy)-3,4,5-trihydroxyoxane-2-carboxylate