8-Hydroxy-4,6-bis[(5E)-5-(α-carboxy-4-hydroxybenzylidene)-4-hydroxy-2,5-dihydro-2-oxofuran-3-yl]-2H-naphtho[1,8-bc]furan-2-one · CAS号: 90295-68-4 · 分子量: 678.50842