55625-78-0

8-(3,4-DIHYDRO-9,10-DIHYDROXY-7-METHOXY-3-METHYL-1-OXO-1H-NAPHTHO(2,3-C)PYRAN-8-YL)-3,4-DIHYDRO-6-HYDROXY-9-METHOXY-3-METHYL-1H-NAPHTHO(1,2-C)PYRAN-1,7,10-TRIONE