IUPAC:(3R)-10-hydroxy-8-[(3R)-10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-8-yl]-7-methoxy-3-methyl-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-1,6,9-trione
IUPAC:(3R)-10-hydroxy-8-[(3R)-10-hydroxy-7-methoxy-3-methyl-1,6,9-trioxo-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-8-yl]-7-methoxy-3-methyl-1H,3H,4H,6H,9H-naphtho[2,3-c]pyran-1,6,9-trione