IUPAC:2-[(1R,3S)-8-[(1R,3S)-3-(carboxymethyl)-6,9-dihydroxy-1-methyl-5,10-dioxo-1H,3H,4H,5H,10H-naphtho[2,3-c]pyran-8-yl]-6,9-dihydroxy-1-methyl-5,10-dioxo-1H,3H,4H,5H,10H-naphtho[2,3-c]pyran-3-yl]acetic acid
IUPAC:2-[(1R,3S)-8-[(1R,3S)-3-(carboxymethyl)-6,9-dihydroxy-1-methyl-5,10-dioxo-1H,3H,4H,5H,10H-naphtho[2,3-c]pyran-8-yl]-6,9-dihydroxy-1-methyl-5,10-dioxo-1H,3H,4H,5H,10H-naphtho[2,3-c]pyran-3-yl]acetic acid